The phenomenon of a pulsating direct current in demonstrative experiment of hand alternator is founded and the reasonable explanation is presented.
发现了手摇交流发电机演示实验中出现脉动直流电的奇异现象并对此作出了合理的解释。
According to the cognitive theory of physics study, this paper gives a preliminary theoretical exploration of the cognitive function of demonstrative experiment in physics teaching.
根据物理学习论中的认知理论，对物理演示实验的认知教学功能进行了初步的理论探索。
In experiment 1, the subjects were asked to determine the more stressed word between the demonstrative noun and the non-demonstrative noun.
实验1请被试比较歧义句中切分出来的所指名词与非所指名词的重读程度。
The third law of thermodynamics has already been demonstrated to be true by experiment and many scholars' relative demonstrative ways.
热力学第三定律的正确性早已经被实验所论证，许多学者对热力学第三定律的证明也运用了相应的论证方法。
The third law of thermodynamics has already been demonstrated to be true by experiment and many scholars' relative demonstrative ways.
热力学第三定律的正确性早已经被实验所论证，许多学者对热力学第三定律的证明也运用了相应的论证方法。
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