Some matters about representative sampling and sampling techniques were also discussed.
同时讨论了采样方法技术以及采样的代表性等问题。
A method is presented for measuring semiconductor resistor using ratio sampling techniques.
介绍一种采用比值采样测量半导体温度电阻的测量方法。
February 1969: Armstrong and Aldrin practise their rock-sampling techniques at Sierra Blanca in Texas.
1969年2月24日:阿姆斯特朗和奥尔德林在德克萨斯州的布兰卡山脉(Sierra Blanca)训练岩石采样技术。
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