AIM: To observe the clinic significance of A-ultrasonic eye axismeasurement of silicon oil eye.
目的：探讨硅油充填眼a超眼轴测定的临床意义。
2
The results show that the measurement volume with off-axis of the LDA-probe has different performance from that with on-axis probe.
结果表明，LDA探头非垂直布置时，测量控制体具有与垂直布置时不同的性质。
3
A method for roll angular error measurement of NC machine tool vertical axis was studied based on straightness measurement using laser interferometers system.