The major hardware principle diagram and data collection program are introduced.
介绍了主要硬件原理和数据采集程序。
The construction and principle of system, and design of major software are described in detail.
对系统的结构和工作原理，以及主要软件模块的设计进行了较详细的叙述。
The major function, work principle and application of the piston casting machine were introduced.
介绍了活塞铸造机的结构和工作原理及主要用途。
Principle of the coordination of three major benefits;
三大效益相协调的原则；
The principle is observed by major Western countries.
目前大多数发达国家都遵守这个原则。
The principle is observed by major Western countries.
目前大多数发达国家都遵守这个原则。
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