Half wavelength criterion
[电] 半波长准则
🧩 词语组成解析
half
[hæf]
adj. 一半的，半个的;
n. 半;一半;（啤酒等饮料的）半品脱;（比赛、音乐会等的）半场;
adv. 一半;部份地;
🗣️ 情景例句
Rome wasn't build in a day.
伟业非一日建成。
You know that some countries are selling this kind of products at cheap prices in large quantities.
您知道有的国家对这种商品正在削价抛售。
The officer in the control tower was very angry when he heard the news,
控制塔上的官员得知这一消息后，非常气愤，