In this paper, we have studied theoretically the resonant Self-focusing of two-frequency laser beams in plasmas.
本文从理论上详细地研究了双频激光在等离子体中的共振自聚焦。
It also involves the design method, principle of two-frequency laser gauge meter and the result of verifications of standard devices using the gauge.
并介绍了双频激光同轴量规计的设计方法、工作原理及利用它对标准件定标的情况。
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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