What is the most accurate phase tolerance of the astrolabe?

According to Baidu Encyclopedia, when the phase tolerance of two planets is close to 0, it is called quasi-phase. Therefore, the phase tolerance of the altimeter is 0, which is the most accurate.

The astrolabe, also known as the core monument of life, the astrolabe and the birth chart, is a celestial map drawn with your time and space as the center at the moment of your birth.