规定关于测量仪器的使用・测量方法。
移动检查计量工具还措施同质以及曝气流动。
The mobile check metering kit also measures homogenous as well as aerated flows.
通常使用的是基孔 制，因为这会减少所需要的钻头、铰刀、拉刀和计量工具的种类。
Usually the hole-based system is used, as the results in a reduction in the variety of drill, reamer, broach and gauge tooling required.
本文通过采用实证方法和经济计量工具，对农业保险与农户生产行为的关系进行了研究。
By using empirical methods and econometric tools, we studied the relationship between agricultural insurance and the farmers' production behavior.
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