The working principle and hardware designing are introduced. Indepth analysis of errors is performed also.
介绍了测速系统的工作原理和硬件设计，并进行了误差分析。
The analysis of errors can help solve this problem, so it is necessary to study the elementary school students' errors for theoretical purpose and practical use.
错误分析能够帮助解决这个问题，因而有其存在的理论和实际意义。
This paper describes the fundamental of design and the structure of integrating spheremeter type GN140, and gives the data of experiment and the analysis of errors.
本文对GN140型积分球仪的设计原理和结构作了介绍，给出了一些样品的实验数据，并对测量误差进行了分析。
This paper describes the fundamental of design and the structure of integrating spheremeter type GN140, and gives the data of experiment and the analysis of errors.
本文对GN140型积分球仪的设计原理和结构作了介绍，给出了一些样品的实验数据，并对测量误差进行了分析。
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