Heaviside layer
[电] Heaviside层
📖 牛津释义
Heaviside layer
(physics 物) part of the earth's atmosphere that reflects medium-frequency waves 亥维赛层, 海氏层, E电离层（地球大气中反射中频电波的大气层）. Cf 参看 ionosphere (ion).
🧩 词语组成解析
海维赛德(①姓氏 ②Oliver, 1850-1925, 英国物理学家、电气工程学家)
layer
['leiə]
n. 层，层次;膜;[植]压条;放置者，计划者;
vt. 把…分层堆放;借助压条法;生根繁殖;将（头发）剪成不同层次;
vi. 形成或分成层次;[植]通过压条法而生根;
🗣️ 情景例句
at ten o'clock tomorrow morning.
明天上午十点钟。
Experience is a school from which one can never graduate.
经验无止境。
The mummy of an Egyptian woman who died in 800 B.C.has just had an operation.
死于公元前800年的一位埃及妇女的木乃伊刚刚接受了一次手术。