DESIGN: a simple random sampling survey.
设计：简单随机抽样调查。
I have come across various survey reports on the well-being (or satisfaction) level of residents, but most are based on a simple random sampling on streets.
过去也经常听说各种居民生活幸福水平(或满意度)调查报告，但多是街头随机抽样的调查问卷。
A layered sampling model for fuzzy comprehensive evaluation was developed based on simple random sampling methods.
在简单随机抽样方法的基础上提出了分层抽样的模糊综合评价模型。
Methods: Totally 164 young managers who had no basic disease and were less than 40 years in a Shandong company were selected with simple random sampling methods.
方法：采用单纯随机抽样方法选取山东某大型国企中40岁以下无任何基础疾病的青年管理人员164人。
Ranked set sampling (RSS) is a new sampling method. Compared to simple random sampling method (SRS), RSS sample has many good properties.
有序抽样是一种新的抽样方法，与简单随机抽样方法相比它具有很多很好的性质。
Firstly, the Gauss map of points on the cylinder and a random sampling method are used to compute the rotation axis equation of the simple articulator.
首先通过构造圆柱面上点的高斯图和任意采样的方法，计算出简单牙合架转动轴线方程。
Firstly, the Gauss map of points on the cylinder and a random sampling method are used to compute the rotation axis equation of the simple articulator.
首先通过构造圆柱面上点的高斯图和任意采样的方法，计算出简单牙合架转动轴线方程。
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