本文报道了塑料闪烁体的技术光衰减长度的测量原理、方法和测量装置，并对影响此参数的因素进行了讨论；
This paper describes the principle, method and apparatus for measurement of technical light attenuation length of plastic scintillators. The factors that influences this parameter are discussed.
广泛用于长度、形位误差的测量 ，也可作为读数装置。
Theyare widely used for measuring length and shape and position deviation and also can be used as reading devices.
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.
本发明公开了一种松弛试验机，本发明包括有设置在试样上的测量试样长度变形量的变形测量装置。
The relaxation test machine includes one deformation measurer set on the test sample to measure the length change of the test sample.
本发明公开了一种松弛试验机，本发明包括有设置在试样上的测量试样长度变形量的变形测量装置。
The relaxation test machine includes one deformation measurer set on the test sample to measure the length change of the test sample.
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