介绍了激光干涉法长度测量的基本原理，提出在不更换和调整系统中光学器件的条件下，实现线位移和角位移—机测量集成装置的设计思想。
The paper introduces the basic principle of measuring displacement with laser interferometer, and gives a designing idea that realizes length measurement and angle measurement on one apparatus.
介绍了激光干涉法长度测量的基本原理，提出在不更换和调整系统中光学器件的条件下，实现线位移和角位移—机测量集成装置的设计思想。
The paper introduces the basic principle of measuring displacement with laser interferometer, and gives a designing idea that realizes length measurement and angle measurement on one apparatus.
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