寬面巷道 的英文怎麼說
中文拼音 [kuānmiànxiàngdào]
寬面巷道
英文
[采礦工程] wide opening-
The results show that in a rectangular tunnel with bigger dimension of the width, field strength of horizontal polarization mode is markedly higher than that of vertical polarization mode, influence of the height change on the field strength is stronger than that of the width change, and the difference of influences decreases with the increasing of frequency and transverse dimension
結果表明:在寬度尺寸大於高度尺寸的矩形巷道中,水平極化模式的場強明顯高於垂直極化模式,高度尺寸的變化對場強的影響比寬度尺寸的變化要大,這種影響差異隨頻率的增高和截面尺寸的增大而變小。
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