stepped leader

as the negative stepped leader gets closer to the tower, a positive leader forms from the tower tip and moves upward.

随着负极梯级先导向塔不断靠近，塔顶端的正极先导形成并且上行移动。

this is a unique recording of a downward, negative stepped leader that makes a connection with a tower.

这是下行负极梯级先导一次特有的记录，从视频中可以看到先导闪电触到了一座塔。

eventually a negative stepped leader travels downward and reaches the ground, creating a return stroke.

最终一个下行传播的负极梯形先导接触到地面，制造了一次回击。

a randomly stepped leader propagation model is proposed to investigate the gas discharge phenomena in sf6 circuit breaker.

提出了模拟SF6断路器中气体放电过程的随机步进式先导贯穿模型。

this lightning, a negative stepped leader, was filmed from an airplane.

这次闪电是一个负极梯级先导，它是从一架飞机上拍下的。

a stepped leader forms a connection making a return stroke with a rapid re-brightening of the channel.

一个梯形先导形成了一次与地面连接，在连接中造成了一次回击，这次回击中还快速地重新点亮了通道。

Evangelical leader Ted Haggard has stepped of National Association of Evangelicals and his church in Colorado.

福音派领袖泰德?贺格已辞去全国福音派协会主任及科罗拉多州教堂主事之职.