Hailstone are rattling on the window-panes.

冰雹劈里啪啦地敲打着窗玻璃。

Today we were visited by a hailstone fall.

今天我们这儿下了一场冰雹。

The growing grass was crushed down by hailstone.

正在生长的草被冰雹压下去了。

Ice seeding prompted the conversion rate of rain to graupels, reduced the supercooled raindrops and suppressed hailstone growth by accretion.

促进雨霰转化过程，使雹胚浓度增加，并且减少过冷雨滴，抑制冰雹碰冻过冷雨滴的增长；

On July 8, a rare hailstone storm hit Dandong, where rainstorm triggered landslide in the city on 26-27 July. And Dalian was swept by gale 19-20 July.

此外，7月8日丹东受到罕见风雹的袭击，26日至27日丹东暴雨引发了泥石流灾害，19日至20日大连出现大风天气。

A large number data of ground hailstone spectra are analysed. The average characteristics of hailstone spectra and their three types have been obtained.

文中分析了大量的地面雹谱资料，给出了雹谱的平均特征及其三种类型。

Aerocraft is easy to impact with hailstone and may cause serious damages during its flight, so it′s necessary to investigate hail impact on aerocraft by trial system.

冰雹撞击试验系统是以压缩空气为动力的空气炮原理构建的，在设计时系统参数选择决定了试验的成功与否，同样在试验阶段时也需要根据技术要求选择各参数。