对拖拉机试验过程进行监视记录，运用计数抽样检验法则对试验过程进行分析和控制，从而达到试验过程质量可控。
We monitor and record the testing process of tractor, analyze and control the testing process through sampling inspection by attributes, and this can make the test process quality be in controlling.
讨论了计数标准型一次抽样检验方案的设计方法及原理。
Design method and principle of a standard sampling inspection plan by counting are discussed.
在介绍计数型抽样检验原理的基础上，从建筑物鉴定检测的特点出发提出了采用相应抽样检验国家标准的建议。
On the foundation of sampling scheme by attributes, the suggestion has been made according to the characteristics of civil engineering structures based on the corresponding national standards.
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