Waiting for a gas cloud to stumble into their vicinity isn't a very efficient means of hunting.
守株待兔地等待气体云闯入其领地可不是有效率的捕猎方式。
Known by the popular name of the Dumbbell Nebula, the beautifully symmetric interstellar gas cloud is over 2.5 light-years across and about 1,200 light-years away in the constellation Vulpecula.
这个在狐狸座相距1200光年，直径2.5光年的美丽而对称的星际气体云有个为人熟知的名字——哑铃星云。
Known by the popular name of the Dumbbell Nebula, the beautifully symmetric interstellar gas cloud is over 2.5 light-years across and about 1, 200 light-years away in the constellation Vulpecula.
这个在狐狸座相距1200光年，直径2.5光年的美丽而对称的星际气体云有个为人熟知的名字——哑铃星云。
The simulation results well reflect the special dispersion behaviour of heavy gas cloud.
数值模拟结果较好地反映了重气云团所特有的扩散行为。
Desired converted wave images have been achieved over gas cloud area.
结果表明，在“气烟囱”模糊带处得到了较好的转换波成像剖面。
The features and power of gas cloud explosions are investigated to prevent the accidents and decrease the loss.
研究气云爆炸的特性和威力，可防范事故，减小损失。
The flammable gas cloud (ethine and air) explosion experiments have been carried out to examine the calculations.
进行了乙炔-空气气云的爆燃实验，对计算结果进行了考核。
To cope with the problems of statics and converted wave imaging over gas cloud area, several measures are adopted.
处理中，针对该构造资料转换波静校正难度大、气云区转换波不易成像等难题，采取了相应的处理手段和措施。
Two-and three-dimensional hydrodynamic computer codes have been applied to the study of the early phases of the collapse of a gas cloud.
二维和三维流体力学计算机程序，已用于研究气体云的早期坍缩。
With a given mesh construction, the optimal effectiveness of suppressing deflagration waves can be obtained for a special radius of gas cloud.
特定的丝网结构，将对某一特定半径气云的爆燃波起到最佳的抑制效果。
For explosion process of gas cloud in closed vessels, flow field parameters, such as pressure, velocity, density, temperature, concentration and so on, vary with time and space.
对于球形密闭容器内气云的爆炸过程，压力、速度、密度、温度、浓度等流场参数均随时间、空间而发生变化。
So, it is very important to study the influence of the constraining conditions on the gas cloud explosion field for making the measures and program of explosion protection and control.
因此，研究约束条件对气云爆炸场的影响，对进一步提出可行的防爆、抑爆方案提供理论依据具有重要意义。
A series of flammable gas cloud deflagration experiments built-in and built-out obstruction were carried out in order to study the effects of obstruction on deflagration pressure wave.
为考察障碍物对爆燃压力波的影响，进行了可燃气云内、外分别设置障碍物的爆燃实验。
Once either condition is met, and the gas Cloud is triggered, an alarm will sound and every player will have a notification displayed.
一旦满足其中一个条件，就会触发毒气云，会有警报声，所有玩家都能看到提示信息。
Once either condition is met, and the gas Cloud is triggered, an alarm will sound and every player will have a notification displayed.
一旦满足其中一个条件，就会触发毒气云，会有警报声，所有玩家都能看到提示信息。
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