liquid nitrogen cryosurgical system 液氮冷冻手术刀
liquid-nitrogen cooled trap system 液氮冷阱系统
liquid-nitrogen cooling system 液氮冷却系统
liquid d nitrogen cryosurgical system 液氮冷冻手术刀
liquid nitrogen freezing system 液氮冷冻装置 ; 液态氮冷冻装置
Liquid nitrogen trap system 低温冷肼系统
liquid nitrogen precool system 氮水预冷系统
A mathematical model of liquid nitrogen system of a space environmental simulator is introduced and a quasi-stationary control method is developed in this paper.
大型空间环境模拟器的液氮系统庞大复杂，为满足确定控制方案、建立故障诊断模型、技术改造等的需要，建立液氮系统的数学模型是十分必要的。
It has been proved by test that the problem of large space simulator liquid nitrogen system starting has been solved successfully in simulator liquid nitrogen system.
通过初步调试证明，液氮系统能够很好地解决大型空间环境模拟设备液氮系统启动困难的问题。
According to the theory of similitude, a Liquid Nitrogen Freezing(LNF)model testing system for soil under water flowing at a great rate is established for the first time.
根据相似理论，首次建立了模拟大流水条件下土层液氮冻结的试验系统。
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