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1.东林书院名联“风声、雨声、读书声,声声入耳”表明声音可以在____中传播;用小提琴和二胡演奏“二泉映月”乐曲时,我们可以根据声音的___不同来加以辨别. 2.在速度、密度、功率、比热容、电功率这些物理量中,表示物质某种特性的物理量有: ____;表示某方面“快慢”的物理量有:___. 3.冬天在室外用双手互相摩擦或者用嘴对手呵气均可使手发热,前者通过______的方式增加了手的内能,后者通过____的方式增加了手的内能.
1. The Donglin College Association’s “Wind, Rain, Reading, and Sound” indicates that the sound can be transmitted in ____; when using the violin and erhu to perform “Yuequan Yingyue” music, we can use the sound __ Different to be distinguished. 2. In physical quantities such as speed, density, power, specific heat capacity, and electric power, the physical quantities that express a certain characteristic of a substance are: ____; physical quantities that represent a certain aspect of “speed”: ___. You can make your hands warm by rubbing hands with each other or using your mouth to anger. The former increases the internal energy of the hand through ______, while the latter increases the internal energy of the hand through ____.