在清理地下室时，约翰的头碰在横粱上。
While cleaning out the cellar, John bumped his head on a beam.
详细地分析了利用吉赫兹横电磁波室进行小体积受试设备（EUT）电磁场抗扰度测试的不确定度。
The uncertainty of electromagnetic field immunity test is particularly analyzed in this paper when it uses the GTEM for that small equipment under test(EUT).
根据非对称矩形同轴线原理研制了宽带吉赫横电磁波室。
A gigahertz TEM cell is developed according to the principle of asymmetric rectangular coaxial line.
研制宽频带的吉赫横电磁波传输室，其高频输入接头的设计尤为关键。
The design of high frequency input connector is especially important for the development of wide band gigahertz TEM cell (GTEM cell).
研制宽频带的吉赫横电磁波传输室，其高频输入接头的设计尤为关键。
The design of high frequency input connector is especially important for the development of wide band gigahertz TEM cell (GTEM cell).
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