The electron free flying time is determined by the electron -neutral particle collision frequency.
电子的自由飞行步长由电子与中性粒子的碰撞频率来决定。
We decided to stay for a week, leaving home for the first time made me so happy, I was like a bird, flying in the sky, breathing the free air.
我们决定停留一周，第一次离开家让我很开心，我就像一只鸟儿，在天空中飞翔，呼吸着自由的空气。
Ilike flying kites in my free time.
我喜欢在空闲时间放风筝。
According to the time to form the blasting free face and the time for the broken rock flying, the paper discussed the rational delay time of each functional borehole in deep borehole blasting.
根据爆破自由面形成的时间和破碎岩石飞行的时间，探讨了深孔爆破各作用炮眼的合理延期时间；
Forgetting is the good medicine for setting free, giving up is let heart the beginning for flying at the time.
遗忘是解脱的良药，放弃是让心在次飞翔的开始。
Forgetting is the good medicine for setting free, giving up is let heart the beginning for flying at the time.
遗忘是解脱的良药，放弃是让心在次飞翔的开始。
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