Basking in the glow of the bright supergiant star Rigel, the Witch Head Nebula trails like a puff of smoke through the Eridanus constellation about 700 light years away.
在明亮的超巨星参宿七的照耀下，女巫头星云的尾部就像一阵烟，穿过700光年远的波江座。
Analyses and compares the diffusion regularity of fire smoke with and without screen doors when fire occurs in the middle or head of the train separately.
分析比较了地铁列车中部和头部分别发生火灾情况下有、无屏蔽门时烟气的扩散规律。
He saw a cloud of smoke over his master's head and thought his master was on fire. He rushed out and a few minutes later came back with a pail of water. He threw the water in his master's face.
仆人看到主人的头顶有一团云一般的烟雾，以为主人身上着火了，就赶紧冲出去，几分钟后他提回一桶水，把水全倒在主人的脸上。
When it is counteracted by IR interference measures, the field of view within the guiding head also consists of IR image produced by explosion and burning of IR decoy missile or IR smoke shell.
当受到红外干扰措施的对抗时，在其导引头视场中，还将包含红外诱饵弹或红外烟幕弹等爆炸燃烧后的红外图像。
If nicotine withdrawal still causes sleep problems, try some deep-breathing exercises. When temptation rears its ugly head, go places (like the movies) where you're not allowed to smoke.
如果尼古丁戒断效应仍然导致睡眠障碍，试着做几下深呼吸运动，当你想吸烟时，去那些不允许吸烟的地方，比如电影院。
It is so thin that a smoke particle, fingerprint, dust, or human hair could cause what is known as a head crash.
它是如此的薄，以至于烟粒、指印、灰尘或者头发都可能引起磁头划伤。
He stood staring helplessly at the smoke belching from the diminishing train, and shook his head, "Well, all I can do is to leave tomorrow. After all, today and tomorrow are about the same."
他白瞪着眼，望着远远的火车上的煤烟，摇摇头道：“只好明天再走了，今天走同明天走，也还差不多。”
He stood staring helplessly at the smoke belching from the diminishing train, and shook his head, "Well, all I can do is leave tomorrow. After all, today and tomorrow are about the same."
他白瞪着眼，望着远远的火车上煤烟，摇摇头道：“只好明天再走了，今天走同明天走，也差不多。”
He stood staring helplessly at the smoke belching from the diminishing train, and shook his head, "Well, all I can do is leave tomorrow."
他瞪着眼，望着远远的火车上的煤烟，摇摇头道：“只好明天再走了。”
The smoke screen that may absorb and scatter infrared, heavily attenuates energy of guidance head, and then will reduce the probability of missile shooting.
烟幕对红外和近红外等波段的电磁波有吸收、反射和散射等特性，可以导致红外成像制导导弹导引头接收到的能量大大衰减，从而降低导弹命中率。
The smoke screen that may absorb and scatter infrared, heavily attenuates energy of guidance head, and then will reduce the probability of missile shooting.
烟幕对红外和近红外等波段的电磁波有吸收、反射和散射等特性，可以导致红外成像制导导弹导引头接收到的能量大大衰减，从而降低导弹命中率。
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