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laboratory observation
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laboratory observation
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laboratory observation
实验室观察
社会学的一种研究方法,通常是在实验室条件下,借助各种仪器和设备通过控制变量和改变变量,观察自变量与因变量之间的关系及其变化,从而得到研究结论,又称实验室研究法。
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phase recombination
Phase-Referenced Imaging and Microarcsecond Astrometry
Phase Referencing
phase referencing
phase-relaxation
phase response
phase retardation
phase retrieval method
phase reversal
phase rotation
phase rotator
phaser, phonon maser
phase rule
phase screen model
phase segregation
phase sensitive detector
phase-sensitive detector
phase separation
phase separation in glass
phase separation liquid liquid extraction spectrophotometry
phase separation liquid-liquid extraction spectrophotometry
phase separation model
phase separation of 3He4He solution
phase separation of ^3He^4He solution
phase separation of polymers
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