The paper summarizes research actuality of on-off operation of small refrigeration system, and explains and analyzes the whole on-off process and its influence.
本文综述了小型制冷系统启停过程的研究现状，详细说明和分析了制冷系统整个启停过程及由此造成的影响。
It is a chief problem to the farther application of the embedded system to the research and application of a small, real - time and good capability embedded operation system.
一个小型、实时、性能良好的嵌入式操作系统的研发和应用，就成为嵌入式系统进一步应用要解决的首要问题了。
Objective To research the 5 year results of the video assisted small thoracoscopic operation in lung cancer.
目的探讨电视胸腔镜辅助小切口肺癌根治术的5年疗效。
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