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- The results show that the threshold of air breakdown decreases when laser wavelength increases,while the wavelength has no evident effect on the momentum coupling coef. 实验结果表明,在大气呼吸模式激光推进中,空气的击穿阈值随激光波长的增大而降低,激光波长对飞行器获得的冲量耦合系数没有明显的影响。
- threshold of air breakdown 空气击穿阈值
- Laser-induced breakdown threshold of air 大气击穿阈值
- The treaty will be the threshold of lasting peace. 这个条约将成为持久和平的开端。
- He was on the threshold of his career. 他的事业刚刚起步。
- The lack of air in the room make everyone sniffle. 屋子里空气缺乏，使得每个人都频频吸气。
- He had never crossed the threshold of a bar before. 他过去从未进过酒吧的门。
- The great virtue of air travel is speed. 乘飞机旅行的最大优点是速度快。
- Scientists are now on the threshold of an important discovery. 科学家们很快就会有一项重大发现。
- This new style of air conditioner is noiseless. 这种新型空调没有噪音。
- I'll just trot out for a breath of air. 我要到外面去走走换换空气。
- I want to buy a set of air conditioning. 我想买一台空调。
- The doctor urged a change of air. 医生力劝换个环境。
- The court is not legally justified in stopping at the threshold of the case. 一开始就使案件停止不前，法院这样做是完全不合法的。
- They are at the threshold of a new career. 他们正要开始干一番新的事业。
- Lashing velocity of pump is concerned with nature of air. 泵的抽气速率与气体的性质有关。
- The lack of air in the room made everyone sniffle. 屋子里空气缺乏,使得每个人都频频吸气。
- We can hear the hiss of air escaping from a tire. 我们能听到一只轮胎的嘶嘶漏气声。
- Sound travels through the medium of air. 声音通过空气这一媒介传播。
- There must be a threshold of thermal noise. 必有一个热噪声的门限值。
