通过抽样身体特定部位皮肤折叠的厚度，可以估算身体总的脂肪含量。
By sampling the thickness of skinfolds at selected sites on the body, it is possible to estimate the body's overall fat content.
通过这个小样本的实验及特定的抽样人群，说明睾酮在临床应用中确实存在着风险。
The small size of the trial and the unique population prevent broader inferences from being made about the safety of testosterone therapy.
针对换热器的失效分析，考虑几种主要参数的不确定性和随机性，应用蒙特卡罗模拟法抽样计算了服从某种特定分布的随机变量。
Through failure analysis of heat exchangers and in consideration of uncertainty and randomness of several main parameters, the random variables are calculated by Mote-Carlo modeling.
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