Complex variable
[计] 复变数
🧩 词语组成解析
🗣️ 情景例句
Great!
太好了！
Pride goeth before,and shame cometh after.
骄傲走在前，羞耻跟在后。
but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
但是早期记录地震波的仪器（测震仪）正是采用了这种思路。