中医术语。证名。指五脏六腑上升于头部的精气不足。《灵枢·口问》：“故上气不足，脑为之不满，耳为之苦聋头为之苦倾，目为之眩。”
阐明天然气凝液回收装置在设计上存在的一些不足之处，并提出相应的改进措施。
The problems existed in current designs of gas condensate recovery plant are described in this paper and way of improvements are suggested.
目前对古代书画审美范畴“气”的研究在整体上存在如下不足：研究的视角是孤立的而非联系的，是静止的而非动态的；
There are some shortages as follow in the present study on aesthetic morpheme of ancient calligraphy and painting literatures: 1) The visual angle of research is insular and quiescent;
在系统分析NK SV分解炉气固两相运动规律及其性能特点的基础上，指出了NKS V分解炉的不足之处，提出了改进方案。
Based on the analyses of motion mechanism and performance of gas-solid phases in NKSV calciner, the disadvantages of NKSV calciner were presented, and the methods of modifying design are put forward.
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