E region
【地球物理学】E区(离地球表面约90～150公里高处的部分电离层),E 电离层 [亦作 E layer,Heaviside layer,Kennelly-Heaviside layer]
🧩 词语组成解析
🗣️ 情景例句
He made good in business.
他事业成功。
When did I say that?
我什么时候说过了？
recorded for the slumbering scientist the strength of a shock that was too weak to waken him,and the direction from which it came.
由于地震太弱而未惊醒科学家时，就为科学家记录下了地震的强度和地震方向。