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- Through discussing physical mechanism of optical breakdown in air caused by high power laser and ionization,the formula of free electron density in laser focus regime was attained. 通过对高功率激光空气击穿的物理机理、电离机制的讨论,得到空气击穿过程中激光焦区内自由电子密度公式。
- Through discussing physical mechanism of optical breakdown in air caused by high power laser and ionization, the formula of free electron density in laser focus regime was attained. 摘要通过对高功率激光空气击穿的物理机理、电离机制的讨论,得到空气击穿过程中激光焦区内自由电子密度公式。
- The influence of electron loss on threshold value in the process of optical breakdown in air 空气击穿过程中电子损耗对击穿阈值的影响
- optical breakdown in air 空气击穿
- Test and Control of Breakdown in Air Compressors 空压机组故障的检测与控制
- He sucked in air, then went under the water again. 他深深吸了一口气又潜到水里。
- Designed to operate on land, water, or in air. 长于陆海空作战的,三栖的可在陆上、水上或空中操作的
- He blamed leaks for breakdown in the negotiations. 他把谈判失败归罪于泄密。
- How much does sound travel faster in water than in air? 声音在水中比在空气中传播快多少?
- The speed of sound in water is about four as great as in air. 声音在水中的速度是空气中的四倍左右
- They are trying to repair a breakdown in the refrigerating system. 他们正在全力失修发生故障的冷却系统。
- Exhaust gas has been incriminated in air pollution in cities. 废气已过视为城市空气污染的原因。
- They are trying to repair a breakdown in the refrigerate system . 他们正在全力抢修发生故障的冷却系统。
- She crawled onto the river bank and lay there gulping in air. 她爬上河岸,躺在那里喘着大气。
- They tried in vainto blame us for the breakdown in the talk. 他们企图把谈判破裂的责任推给我们,但没有成功。
- A gross breakdown in relationships: a severance of all relations. 关系全面破裂。
- Numerical calculation of gas breakdown in ultrafast gas switch[J]. 引用该论文 李桂萍;王新新;袁建生.
- What is the percentage of nitrogen in air? 空气中所含的氮的比例是多少?
- He watched the bombs bursting in air. 他看见炸弹在空中爆炸。
- He sucked in air,then went under the water again. 他深深吸了一口气又潜到水里。