The Paper mainly introduces three deflection test principles, technical features, its applicable conditions, affecting elements, data arrangement, and its evaluation.
三种弯沉测试技术及测试原理、技术特点和适用条件；数据处理及其评定。
2
According to the requirements of aircraft structure fatigue test, the paper gives some rules and methods through analyzing and studying three major factors which affect test results.
本文根据飞机结构疲劳试验的要求，分析并研究了影响试验结果的三个重要因素。
3
This paper makes analysis of variance and statistical test for three methods of determining the filtration constants.