该方法由计算机自动采集自准直仪的数据，解决了以往人工记录引起的测量误差，提高了检测数据的准确性。
The method adopted computer to acquire autocollimation data and reduced test data error caused by manual record, so the veracity of test data was improved.
该检测系统体积小、工作可靠，功耗低，弥补了以往设备测量误差大及重复性程度高等问题。
The detection system has some characters: small size, reliable operation and low power dissipation, remedy the past problems such as big errors from equipment measure and repetitiveness.
检测气体或蒸汽流量时，介质的工况变化将引入测量误差。
While the flow of gas or steam is detected, measurement error can be brought by the change of medium condition.
应用推荐