Its upper limit is determined by the conditions in the ionosphere.其上限由电离层的状态而决定.The ionosphere is a complex medium, which is aeolotropy, asymmetry, dispersive and changes randomly with time.电离层是随机时变, 各向异性, 非均匀 、 色散的复杂介质....
The ionosphere is that region of space contatining electrically charged species.电离层是指含有带电物质的空间区域.Its upper limit is determined by the conditions in the ionosphere.其上限由电离层的状态而决定.Rockets and artificial satellites can go fa...
A landmine is a kind of weapon used in war.地雷是一种运用于战争的武器.The treaty bans the use, production and trade of landmine.那条约禁止使用, 生产,和交易雷.This is Yang Zhiyuan undoubtedly revive ambuscade below countless landmine.这无疑为杨致远的复兴埋伏下...
奥尔塔的天气变幻莫测。Orta's weather can be fickle.塔的影子倒映在水中.One can see the reflection of the tower in the water.塔的周围已竖起了脚手架.Scaffolding has been erected around the tower....