This form of convectional activity is responsible for thunderstorms. 这种形式的对流活动就是大雷雨形成的原因。
The result indicates: initial CCN has great influence on convectional precipitation. 模拟结果表明：初始CCN对对流性降水影响较大。
The indicator light is lit, the switch of fan shall be turned on as soon as the instrument is warm, so that the heat produced can be forced to convect through the air channel. 指示灯亮，仪器加温后即应打开风机开关，使其热量往风道强制对流。
Since he posted, some people have taken on the challenge, but someone who thinks the mantle is too cold to convect is arguing that the revisions violate wikipedia's neutral point of view. “我现在觉得这是一个关于宿命的故事。”雅克贝汉告诉陈晓卿。我不是一个相信宿命的人，我是一个相信力量的人。
