What is a CAD description?

Auto CAD command daquan 3DARRAY: create 3d array 3A 3DFACE: create 3d surface 3F 3DORBIT: control interactive viewing of objects in 3d space 3DO 3DPOLY: create polyline 3P ADCENTER composed of straight line segments in 3d space: manage content ADC ALIGN: connect objects with objects in 2d and 3d space. Align other objects with AL APPLOAD: load or unload the application and specify the application to load at startup. AP Arc: Create an arc. Area: Calculate the area and perimeter of an object or a specified area. Create multiple copies of objects arranged in a specific way. AR attribute definition: Create attribute definition. ATT· Artedi: Change attribute information. ATATTEXT: Extract。 Get the attribute data DDATTEXT BHATCH: fill the closed area or the selected object with patterns. H, BH BLOCK: create a block according to the selected object. Define the B boundary: create an area or a polyline from the closed area. Bobbreak: partially delete an object or divide it into two parts. BrChamfer: Chamfer the edge of the object. Change: Modify the characteristics of an existing object. Create a circular color. Defines the color of the new object. OPY: COpy object co, CP DBCONNECT: provide AutoCAD interfaces AAD, AEX, Ali, ASQ, ARO, ASE, DBC DDEDIT: edit text and attribute definition ED DDVPOINT: set three-dimensional observation direction vpdimified: create aligned linear dimension DAL DIMANGULAR: create angular dimension DAN DIMBASELINE: create linear angle or coordinate dimension from the baseline of the previous or selected dimension DBA DIMCENTER: create circle center mark or centerline D of circles and arcs. CE DIMCONTINUE: create a linear, angular or coordinate dimension from the second extension line of the previous or selected dimension DCO DIMDIAMETER: create a diameter dimension of a circle and an arc DDI DIMEDIT: edit the dimension DED DIMLINEAR: create a linear dimension dlidim ordinal number: create a coordinate point dimension DOR DIMOVERRIDE: replace the dimension system variable dovddim radius: create a radius dimension of a circle and an arc. DRA DIMSTYLE: Create or modify dimension style D DIMTEDIT: Move and rotate dimension text DIMTED DIST: Measure the distance and angle between two points DI DIVIDE: Arrange point objects or blocks at equal intervals along the length or circumference of objects DIV DONUT: Draw filled circles and rings DO DRAWORDER: Modify the display order of images and other objects Dr D. SETT. INGS: Specify the settings of capture mode, grid, polar coordinates and object capture tracking DS, RM, SE DSVIEWER: Open the bird's-eye view window AV DVIEW: Define parallel projection or perspective DV ELLIPSE: Create ellipse or elliptical arc EL ERASE: Delete the object E; Decompose the combined object into object components X EXPORT: Save the object EXP; Expand the object to another object ex e. XTRUDE: By stretching the existing 2. D Object Creation 3D Prototype EXT FILLET: Rounding the edges of objects F FILTER: Creating reusable filters to select object FI groups according to the characteristics of objects: Creating named selection sets of objects G HATCH: Filling areas with specified boundaries with patterns -H HATCHEDIT: Modifying existing HATCH objects HE HIDE. : Hidden lines are not displayed when the 3D model is regenerated. HI IMAGE: manage images. IM IMAGEADJUST: controls the brightness of the selected image. Contrast and fade IAD IMAGEATTACH: Attach a new image object IAT IMAGECLIP: Create a new clipping boundary for image objects ICL Import: Import file IMP Insert AutoCAD: Insert a named block or drawing into the current drawing I INTERFERE: Create a three-dimensional complex using the common part of two or more three-dimensional entities. Combined entity INF INTERSECT: create a combined entity or region with the intersection of two or more entities or regions and delete the part outside the intersection in INSERTOBJ: insert a link or embed an object IO LAYER: management layer and layer properties LA -LAYOUT: create a new layout, rename, copy, Save or delete the existing layout LO leader: create a leader to connect the annotation with the geometric feature leader: lengthen the object LEN line: create a straight line segment L line type: create, load and set the line type LT list: display the database information of the selected object LI, LS LTSCALE: set the linear scale factor ltslweight: lwmatchprop: set the current line width, line width display options and line width unit MA MEASURE: place point objects or blocks at specified intervals. ME mirroring: Creates a mirrored copy of an object. MI MLINE: Create multiple parallel lines. Move: Move the object by the specified distance in the specified direction. M MSPACE: Switch from paper space to model space viewport. MS MTEXT: create multiline text t, MT MVIEW: create floating viewport and open existing floating viewport MV OFFSET: create concentric circles, parallel lines and parallel curves O OPTIONS: customize AutoCAD settings GR, op, PR OSNAP: Set the object capture mode OS PAN: Move the graphics displayed in the current viewport P PASTESPEC: Insert clipboard data and control the data format papeet: Edit polyline and 3D polygon mesh PE PLINE: Create 2D polyline PL PRINT: Print graphics to a printing device or file print point: Create point object PO PO. Polygon: create a closed equilateral POLyline pol preview: show the effect of printing graphics PRE features: control the existing objects ch, MO features CLOSE: close the feature window PRCLOSE PSPACE: switch from the model space viewport to the paper space PS PURGE: delete unused named objects in the graphics database, For example, block or layer PU QLEADER: quickly cREAte leader and leader label LE QUIT: exit AutoCAD rectang: draw rectangular polyline REC REDRAW: refresh and display current viewport R REDRAWALL: refresh and display all viewports larregen: regenerate graphics and refresh and display current viewport larregen graphics and refresh all viewport rea areas: from Create a REGional object reg in the selection set of existing objects Rename: Modify the object name REN RENDER: Create a realistic rendered image RR Rotate a 3D wireframe or solid model: Rotate a 2D object around an axis to create a solid REV RPREF: Set the rendering system configuration RPR Rotation: Move the object around the base point. RO SCALE: Enlarge or reduce the objects in Y and Z directions in the X direction: execute a series of commands with script files: SCR part: create areas by cutting planes and solids; SEC SETVAR: lists system variables and modifies variable values; Set slicing: cutting a group of entities with a plane; Specifies that the cursor moves the SN entity at a specified interval; Create a two-dimensional filled polygon. Format Spelling: Check the spelling of the text in the drawing SP Spline: Create quadratic or cubic (NURBS) Spline SPL Spline Edit: Edit Spline Object SPE Stretch: Move or stretch the style of the object: Create or modify the named text style and set the current style of the text in the drawing ST Subtract: Create a combined area or entity suitable for the difference set: calibrate, configure, Open and close the installed digitizer TA thickness: Set the thickness MODE of the current 3D solid TH tile: Make the "Model" tab or the last layout tab the current TI, TM Tolerance: Create the geometric tolerance label TOL Toolbar: Show, hide and customize the toolbar TO TORUS: Create TOR TRIM: Trim objects with cutting edges defined by other objects: Create a combined area or entity UNIUNINTS through joint operation: Set the display format and accuracy of coordinates and angles; Unwiew: Save and restore the named view V VPOINT: Set the viewing direction of three-dimensional orthogonal graphics -VP. WBLOCK: Write a block object into a new drawing file W WEDGE: Create a 3D solid with the tip of its slope in the positive direction of the X axis WE XATTACH: Attach an external reference to the current drawing XA XBIND: Bind an external reference dependency symbol to the drawing XB XCLIP: Define an external reference or block clipping boundary and set the front clipping plane and the back clipping plane XC XLINE: Create. Establish an infinite straight line (i.e. reference line) XL XREF: control the scaling of external reference XR in the drawing: enlarge or reduce the appearance dimension z of the current viewport object. If you were a model, I would tell you. It is best to use English version of cad R 14. Stable, all cad standard shortcuts are the following: rec space rectangle. Square ro space rotate z space select zoom e space delete ex space stretch s space zoom scale z space e space > z space a space > full screen zoom z space p space > return to the previous zoom task: m space move pl space pl line l space straight line c space circle a space arc di space measure straight line distance li space whole graphics information la space layer p space small hand z space zoom and small hand f space to angle ml space ml line mirror image circle dxfout export closed pl space J space closed figure tr space trim X space explosion. If it is modeling, I tell you, it is best to use English version of cad R 14. Stable, all cad standard shortcuts are as follows: rec space rectangle. Square ro space rotate z space select zoom e space delete ex space stretch s space zoom scale z space e space > z space a space > zoom z space p space full screen > return to the previous zoom task: m space move pl space pl line l space straight line c space circle a space arc di space measure straight line distance li space whole graphics information la space layer p space small hand z space zoom and small hand f space to angle ml space ml line mirror image circle dxfout export closed form pl space J space closed figure tr space trim X space blast.