New type piston ring synthetic measurement instrument is the instrument which can measure both the height and trapezoid Angle of the keystone piston ring and wedgy piston ring.

新型活塞环综合检测仪就是一种能同时测量梯形或楔形活塞环的环高与梯形角的综合测量仪。

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The value of maximum diameter, minimum diameter, height percentage measured by the instrument are traceable to Shenzhen Calibration Station of AQSIQ and national measurement standards.

通过溯源，该仪器测量的最大直径、最小直径、高度（全深）、全深比等数据已溯源至深圳市计量检定站直至国家基准。

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This dissertation depicts how to design an instrument to measure wave height of ocean wave based on the principle of ultrasonic detection.

本文叙述的是如何根据超声测距原理来设计测量海浪波高仪器。

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She also stresses the importance of a stand that keeps the instrument at the proper height, since good posture is essential to proper technique.

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