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- By layered sample, take out researchers in twenty institutes, and obtain 571 valid stylebook by printing questionnaire and network questionnaire. 通过分层抽样和多阶层抽样的方法，从北京地区32个研究所中抽取20个研究所的科研人员，并以印刷型问卷和网络问卷两种方式，获得有效样本571份；
- The AdventureWorks Cycles CLR Layer sample for SQL Server 2005 provides some useful utilities that form an extra layer of functionality on top of the base AdventureWorks sample database. SQL Server 2005的AdventureWorksSQLCLRLayer示例提供了一些有用的实用工具,这些实用工具在基本的AdventureWorks示例数据库之上形成额外的功能层。
- The water samples of the surface layer sampled in the lower Yangtze River from June 2003 to July 2005 were used for determination of dissolved organic carbon (DOC) and particulate organic carbon (POC). 2003年6月~2005年7月在长江口每月采集表层水样;测定溶解有机碳(DOC)和颗粒有机碳(POC).
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- Layered gravel and charcoal to make a filter. 将砂砾和木炭分层以做成过滤器
- The inner layer of the wall of a spore. 孢子内壁孢子壁的内层
- View Dependent Layer Sampling: An Approach to Hardware Implementation of Volume Ray Casting 视点相关的层次采样:一种硬件加速体光线投射算法
- There is a fine layer of dust on the desk. 桌子上有一层薄薄的尘土。
- I spent a few days sampling the literature of social science. 我花了几天时间浏览有关社会科学的文献。
- The middle, usually fleshy layer of a fruit wall. 中果皮果皮中间通常含肉较多的那一层
- The bottom layer is a mixture of sand and clay. 最下面的一层是沙和泥的混合物。
- A fine layer of dust covers everything. 所有的东西都盖了一层薄薄的灰尘。
- layered sampling 分层抽样
- A layer, as of doubled-over cloth or of paperboard. 一层一层，如折叠过的布料或纸板的
- A surface, layer, or mass of frozen water. 冰面冻结的水的面、层或块
- It involves a subject known as isokinetic sampling. 这涉及所谓等速取样的问题。
- A thin layer of bone, membrane, or other tissue. 骨骼、粘膜或其它组织的薄层
- A random layer sampling investigation of the health knowledge and hygienic habituation of rural residents in Tal'an city 泰安市农村居民健康知识与卫生习惯的分层随机抽样调查
- The concept of sampling will be presented below. 关于采样的概念，后面将要说明。
- There are many applications for random sampling. 随机抽样有许多应用场合。
