Different frequency correspond different luminous threshold value. Higher frequency correspond higher threshold value.
超声的频率不同,其声致发光的阈值也不同,频率越高,声致发光的阈值也随之升高。
参考来源 - 声致发光法测量超声空化场的实验研究·2,447,543篇论文数据,部分数据来源于NoteExpress
And, when zinc sulfide is hit by particles or by anything, by radiation or by particles of greater than a certain critical energy, there is a glow.
当粒子或其他东西,通过辐射或粒子的方式,并且能量高于临界值,撞击到硫化锌的表面上的时候,就会发光。
When he was earnest in discourse, these shone, as it were, a bright- as if a bright live coal within it.
当他认真地在谈话,两只眼睛便闪闪发光,就好像明亮的燃烧着的煤块。
On day four, The heavenly bodies that give off light by day or night are created.
在第四天,那些在白天或者晚上发光的天体被创造了。
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