Grade periodicity technique
[电] 渐变周期性技术
🧩 词语组成解析
periodicity
[ˌpiəriə'disiti]
n. 定期，周期性;周律;
🗣️ 情景例句
You'll see a stop sign.
会看到有个停车再开标 。
What is the highest mountain in this country?
这个国家最高的山是什么？
The currents of air that the walls of the ship direct upwards, as well as in the line of its course, are enough to give the great bird with its immense wings sufficient sustenance and progress.
沿船体的上升的气流和沿航线向前的气流给这种巨翼大鸟以足够的浮力和推力。