There is a return stroke after the lightning hits the ground.

在闪电击向地面以后出现了一次回击。

There are some differences for the mean of return stroke currents in different regions.

不同地区地闪回击电流平均值略有不同。

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。

The bright return stroke travels upward at around half the speed of light, and is too fast to capture in more than one image.

闪亮的回击以光速的一半速度上行传播，由于它的速度太快，在一张图象中不能捕捉到这一过程。

This upward leader connects with the downward leader and a return stroke occurs. Five more dart leader-return strokes follow.

上行先导与下行先导连接，于是产生了一次回击，随后又是五次以上的直窜先导型回击。

Self-locking conditions of return stroke of swing movable teeth are deduced and methods to overcome self-locking are obtained.

导出摆动活齿传动空回行程不自锁条件，并给出克服自锁的方案。

A kind of calculation method for outputting motion error and return stroke error Angle of less toothed gear drive system was provided.

提供了一种少齿数齿轮传动系统输出运动误差和回程误差角的计算方法。

The results show that "Non-continuous current stage" was a important condition for triggered the dart-leader and the subsequent return stroke.

结果指出：“无连续电流阶段”是激发直窜先导和继后回击的重要条件。

Top technology and advanced design make force deployed evenly on the frame and lower the air resistance for a stable and prompt return stroke.

顶尖工艺与先进设计，让拍框均匀受力、降低风阻，回球稳定快速。

The lightning branches out in many different directions, causing one leader to make a connection with the ground, creating a bright return stroke.

闪电在许多不同的方向长出分叉，激发了一个先导与地面连接，制造了一次闪亮的回击。

An improved return stroke model (du model) that is both physically oriented and has a relatively straightforward mathematical basis is introduced.

介绍了一种改进型雷击模型，它既兼有雷击本身的特点，又具有相对简洁的数学基础。

The spring absorbs the energy of the impact, the shock absorber releases it on the return stroke, and prevents an oscillating force from building up.

弹簧吸收碰撞产生的能量，减震器在回程行程将能量释放，并阻止振荡力产生。

The fluted disc on the connecting sleeve is contacted and glide with the diagonal face to form zero return stroke. The speed of tweaking screws is high.

斜面与联接套的齿盘接触可滑动，形成空回程，扭螺丝速度快。

With the transmission line model of the lightning return stroke, the approximate expressions of the adjacent field of lightning electromagnetic pulse are obtained.

采用雷电回击电流的传输线模型得到了雷电电磁脉冲场的近场近似。

This paper introduces the design idea of Lightning Direction Finder and lightning return stroke models. The technique of accurate orientation as well as its realization is discussed.

介绍了雷电方向探测的设计思想和地闪回击模型，讨论了地闪的精确定向技术及其实现，给出了雷电方向探测仪的主要技术性能和参数。

The conveyer can not only work in a long distance and ultra width, but also ensure the return stroke of the belt is stable, and meet the use requirements of large conveying capacity.

该输送机不仅能长距离超宽运行，还能保证皮带回程平稳，满足输送量大的使用要求。

It would be easy to return to gold and to abolish the Federal Reserve, and to do so at one stroke. All we need is the will.

一蹴而就的在废除美联储的同时回归金本位还是相当容易的，我们所需要的只是决心。

To stroke a path, first select the path, then change to the brush tool, select a brush, and type Enter or Return.

描边一条路径，首先选择这条路径，然后改为画笔工具，选择一个笔刷，然后按enter或Return键。

The application of vapor-liquid reseparator in the main return tube can effectively decrease the frequency of wet stroke and rapidly handle it and thus increase refrigerating efficiency.

采用在回汽总管上设置汽液再分离器，可以有效的减少湿冲程次数并能快速处理湿冲程现象，提高制冷效率。

Seem to thing horizontal stroke is in in the head, Zun er often is in nervous condition, seem to stem like, how to return a responsibility? Have treat?

好象有东西横在脑里，左耳经常处于紧张状态，好象堵住似的，怎么回事啊？有治吗？

Newresearch shows people with dementia who have a stroke are more likely to become disabled and not return homecompared to people who didn't have dementia at the time they had a stroke.

最新研究表明，与没有痴呆的中风患者相比，有中风的痴呆症患者变残疾的风险增高，且更有可能找不到回家的路。

The utility model discloses a novel drilling machine, mainly comprising a drilling machine head case, a linear slideway, a stroke sliding plate, a return tension spring and the like.

本实用新型公开了一种新型钻床，该钻床主要由钻床机 头箱、直线滑道、行程滑板、回位拉簧等组成。

A resurgence of high-performance ATV models return to showroom floors with all-new premium 4-stroke models from virtually every ATV manufacturer.

高性能ATV车型复活了！这次几乎所有厂家的车型都是以四冲程亮相的。

A question of the assumed channel height is represented and the reasonable reasons are given. The conclusion is useful for calculating the lightning return-stroke electromagnetic fields in the future.

指出了国外文献计算回击电磁场时在选取通道高度方面存在的问题，并作出了合理的解释。

As you do this, take a stroke with your other hand, and return it to the PAUSE position just above your head.

同时，让另一只手开始划水，移臂后也让手停在头的正上方。