An analyticsurvey, using questionnaire method, was made on the stress state, living fulfillment and behavior tendency of 568 male and female students from junior one to senior three.
采用问卷调查法，对中学初一至高三的5 68名男女学生进行应激状态、生活充实度及行为意向的调查分析。
2
In this paper the method of the optimal design of through survey is suggested on the principle of analytic method of optimal design theory.
本文应用优化设计理论中的“解析法”原理，提出了贯通测量最优设计的方法。
3
The "Unit type" lithogeochemical survey method can decrease the numbers of sampling and the amounts of analytic run, and reduce greatly production costs.