查询词典 lightning

The crashing or booming sound produced by rapidly expanding air along the path of the electrical discharge of lightning.

似雷的响声：类似或使人想起雷声的声响

The crashing or booming sound produced by rapidly expanding air along the path of the electrical discharge of lightning .

云地间的一种普遍闪电形式，主要表现为沿一定的曲折路线迅速移动，它的主要闪道呈现出一些向下的分支。

The effect of the positive charge region in the lower part of thunderstorms on the occurrence of negative CG lightning discharge is discussed.

云下部正电荷的存在是导致负地闪首次回击之前存在长时间云内预击穿过程的主要原因。

The charge structures in thunderstorms and the relationship between the charge structure and lightning discharge processes are revealed.

三维雷电观测系统LMA是最近发展起来的基于GPS时钟同步的闪电VHF辐射源到达时间差定位技术，能以很高的时间分辨率(50 ns)和空间定位精度(50-100 m)展现闪电放电发展过程的三维时空分布，揭示雷暴中电荷结构及其与放电过程的关系。

Note 2- in the presence of a lightning protection system the discharge current will be substantially higher and an assessment will lead to the choice of a higher rated discharge current for the SPD.

注2：有雷击防护系统的情形下，放电电流会明显较高，因而应选择更高额定放电电流的 SPD。

The crashing or booming sound produced by rapidly expanding air along the path of the electrical discharge of lightning.

雷声沿闪电放电的路径迅速膨胀的空气所''。'发出'。''的爆裂声或''。'隆隆声'。

Based on the test results, it analyzes the effect of atmosphere pressure on the 50% lightning impulse discharge voltage U50 of the long air gaps, and obtained the relationship between the U50 and air gap distance d.

本文首次在大型多功能人工气候室内对长0.5～2.0m 的棒－板空气间隙雷电冲击50%放电电压与气压的关系进行了系统试验研究。

Breakdown and discharge under 1.5KV lightning wave.

1.5KV的雷击波应击穿放电。

In this paper, a series of laboratory investigations were carried out for the first in the multifunction climate chamber on the lightning impulse discharge performance and voltage correction of 0.5~2.0 m long air gaps at low atmosphere pressure.

2004高压年会，，中国电机工程学会高电压专业委员会本文首次在大型多功能人工气候室内对长0.5～2.0m 的棒－板空气间隙雷电冲击50%放电电压与气压的关系进行了系统试验研究。

France Franklin's lightning rod of the early discharge in full compliance with the French NFC17-102 standards, and product technology has been patented; Product test reports by high-pressure BAZET laboratory the authority of the test, and after a large number of field tests

法国富兰克林公司的提前放电避雷针完全符合法国NFC17-102标准，而且产品技术已取得专利；产品的测试报告是通过BAZET高压实验室的权威测试，并经过大量现场检测

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了