文章详细信息 关键词： X线摄影;;自动曝光;;电离室;;阈值电压;;探测野 [gap=351]Keywords: X-ray photography,automatic exposure,isolation chamber,threshold voltage,exploring field
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The antenna radiation pattern and antenna coupling or isolation as well as near electric field strength are measured by using anechoic chamber as the test site of ship model prediction.
采用电波暗室作为船模预测的试验场地，进行天线方向图、天线耦合度(或隔离度)、近区场强等参数测试。
A construction of the water dam chamber for isolation between horizontal and up and down seam in a mining district is one of the comment water prevention and control methods.
建造防水闸门硐室，进行水平、区上下组煤隔离，是预防水患普遍采用的方法。
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