介绍了用于光测电压的晶体的选择与晶体加工设计中的光轴选定原则。
This paper introduces the selection of crystal used for voltage measurement with optic, and the principle for selecting the optic axle.
（原则上）之所以选定这种能使小狗发光的水母基因，并不是因为它超酷的未来派科技美学效果，而是因为采用这种基因非常便于检测基因嫁接是否成功。
The jellyfish DNA that makes these puppies glow was chosen (supposedly) not for its cool futuristic Tron aesthetic but because it's incredibly easy to see if the splicing worked.
基于京沪线多年的研究成果，介绍了高速铁路桥梁的若干设计理念及设计原则和常用梁型的选定及其桥跨布置。
Based on the research achievements of Jinghu Railway Line in recent years, some concepts and principles of bridge design are introduced, and the usual type and arrangement of bridge are described.
本文介绍了对适宜于人工湿地床的示踪剂筛选的原则和方法，从四种染料和食盐中，选定食盐作为人工湿地床的示踪剂，并介绍了食盐示踪剂的注入方法和检测系统。
The principle and method of the tracer screening for constructed wetland bed are introduced. NaCl is selected from four kinds of dye and NaCl. The input and detection method of NaCl are defined.
本文阐明了绞刀设计的步骤与方法，并详细论述了绞刀主要参数选定的原则与依据，可供有关研究、设计、使用与教学工作者参考。
This article explains the procedures and ways in the design of cutters, and describes in detail the principles and bases of choosing the main parameters of cutters. This is for your reference.
根据催化装置三旋、再生器等设备的实际情况，制定了相应的设计原则和目标，进而选定保温材料。
According to the actual situation of the equipment of the catalyzed installation, corresponding designs and goals are formulated. Then the heat preservation materials are designated.
根据催化装置三旋、再生器等设备的实际情况，制定了相应的设计原则和目标，进而选定保温材料。
According to the actual situation of the equipment of the catalyzed installation, corresponding designs and goals are formulated. Then the heat preservation materials are designated.
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