The system principle and use-method of the auto-measurement are presented.

介绍了激光散射自动测量系统的原理及使用方法；

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We have also given the system principle diagram and the experiment results.

文中给出系统原理图和实验结果。

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The system principle, design and realization of the hardware and the software are presented.

阐述了该系统的工作原理、设计方案和硬件、软件实现方法；

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Republicans oppose the health care effort on principle, arguing that it represents too much government intervention in the health care system and will bankrupt the country with its high cost.

VOA: standard.2010.03.16

And once they start to become part of one system, Pauli Exclusion Principle kicks in.

一旦他们开始成为体系的一部分，泡利不相容原理起作用了。

麻省理工公开课 - 固态化学导论课程节选

This system is not all that different, at least in principle, from our current tax system.

WSJ: John C. Goodman: Why Mandated Health Insurance Is Unfair

Efforts to enhance overall future compliance should forever be a guiding principle of our system of tax administration.

FORBES: New Streamlined Filing Compliance Procedures for Non-Resident U.S. Taxpayers

Chris Huhne, for the Liberal Democrats, argued that the plans put at risk the "cornerstone" of England and Wales's legal system, "the principle of being innocent until proven guilty".

BBC: Crime and Security Bill