We should set up a scientific assessment system of indices with scientific and realistic attitude.
我们应本着科学、求实的工作态度，建立起科学合理的指标评价体系。
The working principle, design of the system and key performance indices are introduced.
阐述了该试验机的工作原理、系统设计及主要性能指标。
The working principle, design of the system and key performance indices are introduced.
阐述了该试验机的工作原理、系统设计及主要性能指标。
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