The flash frequency instrument for field whole machine balancing is a whole machine balancing equipment by measuring the phase and amplitude.
闪频式现场整机动平衡仪是一种通过测相测幅进行整机动平衡的装置。
The paper points out the application of two-frequency laser technique to the 3-coordinate measuring machine, the measuring principle and its features.
本文扼要叙述了双频激光技术在三座标测量机上的应用，介绍了其测量原理及其特点；
The paper points out the application of two-frequency laser technique to the 3-coordinate measuring machine, the measuring principle and its features.
本文扼要叙述了双频激光技术在三座标测量机上的应用，介绍了其测量原理及其特点；
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