How to elect the solid image sensor in accord with the requirement of high temperature measurement is an important problem.
如何选择能符合温度测量要求的固体摄像器件是值得重视的问题。
It solved the measurement problem that is little under-well space, high liquid viscosity and high operation temperature.
解决了井下空间狭窄、流体粘度大、工作温度偏高、环境压力偏大等测量难题。
It is a difficult problem to improve the low temperature toughness of high cellulosic electrodes.
提高高纤维素型焊条低温韧性是未能解决好的一大难题。
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