Using simple random and system sampling methods, we investigated 1205 disabled persons in Beijing.

本研究采取简单随机、等距抽样等方法在北京市抽取了1205名残疾人进行调查。

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Whatever sampling percentage you choose, runstats allows you to sample rows (Bernoulli sampling) or pages (system sampling).

无论选择多大的抽样百分比，runstats允许对行(Bernoulli sampling)或页面(system sampling)进行抽样。

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For the control system to work, sensor sampling and control must be performed at periodic intervals.

为了保持控制系统的正常工作，传感器的采样与控制必须按照一定的周期间隔。

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League tables should be scrapped, they say, and there should be a system of "sampling" to enable the government to measure how pupils are achieving over time.

BBC: Schools may try to boycott Sats

This group is just a sampling of the millions around the globe working to improve our food system.

FORBES: Inspiring Award Winners Working To Change Food System