闫国硕 摄

夜晚的济南，电闪雷鸣

夜晚的济南，电闪雷鸣

夜晚的济南，电闪雷鸣

夜晚的济南，电闪雷鸣

夜晚的济南，电闪雷鸣

夜晚的济南，电闪雷鸣

夜晚的济南，电闪雷鸣

夜晚的济南，电闪雷鸣

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尉榕寇2324有什么形容时间过得很快的词语 -
淳丹律19349021997 ______ 【电光朝露】——一闪而过的电光,日出以前的露水.比喻存在不久的事物. 【俯仰之间】——一低头,一抬头的工夫.形容时间极短. 【转瞬之间】——非常短暂的一瞬间. 【好景不长】——景:境况,光景;长:长久.美好的光景不能...

尉榕寇2324为什么有时只见闪电没有雷声?
淳丹律19349021997 ______ 因为光不仅比声音跑得快,而且比声音跑得远.一般地说,雷声只能走二三十公里.如果打雷的地方离我们太远.我们就只能看见闪电,听不到雷声了.

尉榕寇2324下大雨的时候,是先打雷,还是先闪电 -
淳丹律19349021997 ______ 要说我们是先看到闪电还是先听到打雷,肯定是先看到闪电然后才能听到打雷,因为光速比声速传播的快.

尉榕寇2324为什么先看到闪电 再听到雷声?
淳丹律19349021997 ______ 答案: 1.眼睛在前,耳朵在后,所以先看到闪电,后听到雷声. 2.光速30万千米/秒,音声345米/秒.两者是同时产生的,光速快过声速,所以会先看到闪电后听到雷声.

尉榕寇2324为什么我们总先看到闪电,后听到雷声? -
淳丹律19349021997 ______ 闪电和雷声同时发生,为什么我们总是先看到闪电,后听到雷声呢?这是因为光的传播速度要比声音的传播速度快得多.光在空气里差不多每秒钟要走30万公里,用这样的速度,1秒钟可以围绕地球的赤道跑7圈半.声音在空气中每秒钟约走340...

尉榕寇2324为什么光速比声速快
淳丹律19349021997 ______ 光是一种电磁波.电磁波在真空中的速度是299792458 m/s. 根据爱因斯坦相对论.物质的质量m=m0/(1-v^2/c^2)^0.5.(m0为静止时的质量.v为物质的速度.c为光速.).那么当v等于c时该等式右边的分母就等于0.此时物质的质量理论上会达到无穷大.这是不可能的. 因而任何物质都无法达到光速.

尉榕寇2324形容“快”和“成本低”的词语,都有什么? -
淳丹律19349021997 ______ 形容“快”的词语: 风驰电掣:fēng chí diàn chè 驰:奔跑;掣:闪过.形容非常迅速,像风吹闪电一样快.【出自】:《六韬·龙韬·王翼》:“奋威四人,主择材力,论兵革,风驰电掣,不知所由.”【示例】:黄飞虎枪法如~,往来如飞...

尉榕寇2324天要下雨了,是先闪电还是先打雷?
淳丹律19349021997 ______ 闪电!再打雷! 因为光的速度,比声音的速度快!

尉榕寇2324闪电快还是声音快?
淳丹律19349021997 ______ 闪电,因为光速快过声速

尉榕寇2324形容时间快到了的成语有哪些? -
淳丹律19349021997 ______ 1. 光阴似箭 [ guāng yīn sì jiàn ] 光阴:时间.时间如箭,迅速流逝.形容时间过得极快.出 处 宋·苏轼《行香子·秋兴》:“朝来庭下;光阴如箭;似无言;有意伤依;都将万事;付与千锺.” 例 句 ~,岁月如流,转眼间二十年过去了,她已...