Macro and micro structure of the fractured steering knuckle arm was examined by optical microscope and scanning electron microscope.
采用光学显微镜和扫描电镜对断裂转向节臂的宏、微观组织进行了分析。
Light from the laser goes through the optical circulator, and is divided into the sample and reference arm by the fiber coupler.
激光器发出的光通过光环行器，被光纤耦合器分成样品臂和参考臂。
In this paper we report a new type of velocity interferometer, optical fiber velocity interferometer, which USES optical fiber as the delay arm.
本文提出了一种用光纤作为延迟臂的新型速度干涉仪——光纤速度干涉仪，用以测量速度随时间的变化。
In this paper we report a new type of velocity interferometer, optical fiber velocity interferometer, which USES optical fiber as the delay arm.
本文提出了一种用光纤作为延迟臂的新型速度干涉仪——光纤速度干涉仪，用以测量速度随时间的变化。
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