A two stage complex image method is proposed to rapidly and precisely calculate the refractive field of an overhead dipole (generalized sommerfeld integral, GSI) in the earth.
为了快速精确计算架空偶极子大地中的透射场，提出了一种广义索末菲积分（GSI）两阶段复镜像等效算法。
Proposes a working model of OCS wire overloading in factory, which may be applied in the construction of overhead electric line instead of the working model in field.
本文提出一种接触网导线工厂化超拉的工作模型，可以作为现场超拉工作模型的替代方案，应用在接触网工程等架空输电线路的施工中。
Furthermore, according to the results from a growing field of research, only a fraction of the value of U. S. imports from China represents the cost of Chinese labor, materials and overhead.
此外，据越来越多领域的研究结果显示，美国自中国进口额中只有一小部分代表了中国的劳动力、材料和管理费用成本。
A new approach using the electric field induction to measure the transient and steady-state zero-module voltage in non-solidly earthed overhead lines is presented.
提出一种通过电场感应获取架空线路小电流接地故障零模电压信号的新方法。
Corrsponding computer aided analysis software on electric field under high voltage overhead line is introduced.
介绍了利用本算法开发的输电线附近工频电场的计算机辅助分析软件。
AC frequency conversion synchronous film feeding and collecting device is adopted. The overhead large working table is provided to widen the visual field with high automation degree.
采用AC变频同放收膜装置，设有高架大平工作台，视野开阔，自动化程序高。
Glider flights (Aerobatic flights) overhead Huang Cun field, radius 15km altitude 2000m below.
黄村机场上空滑翔机飞行(特技飞行)，半径15公里，高度2000米以下。
Glider flights (Aerobatic flights) overhead Huang Cun field, radius 15km altitude 2000m below.
黄村机场上空滑翔机飞行(特技飞行)，半径15公里，高度2000米以下。
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