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目标式抽样
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目标式抽样
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理学
【基本概念】
释
purposive of judgmental sampling
目标式抽样
研究人员在初步了解调查对象某些信息的基础上,依靠自己的判断,选择能够为研究问题提供最大信息量的研究对象的一种非概率抽样。又称目的抽样、立意抽样、专家抽样。
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throwing index
throw-over relay
thrust
thrust adjustment emergency flight control
thrust bearing of hydro-generator
thrust calibration stand for full aircraft
thrust chamber with cooling
thrust coefficient
thrust collar
thruster
thruster control
thrust fault
thrust journal bearing
thrust per frontal area
thrust reverser
thrust sequence
thrust stage
thrust vector
thrust vector angle
thrust vector control
thrust vector control technology
thrust vectoring control system
thrust vector of gas rudder
thrust vector performance parameters
Thrymr
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