Frequency doubling
[计] 倍频
🧩 词语组成解析
frequency
['frikwənsi]
n. 频繁性;[数][物]频率，次数;频率分布;
fr + equ =equal,even,表示“相等，平均” + enc + y [形容词后缀] → n.屡次；次数；频率
doubling
['dʌbliŋ]
n. 加倍，成双;
v. 把…对折，折叠( double的现在分词 );是…的两倍;（使）加倍;兼任;
🗣️ 情景例句
Is that all for customs formalities?
海关检查就这些了吗？
Genius often betrays itself into great errors.
天才常被天才误。
This is done by a great number of ring-shaped air jets on the bottom of the craft.
船底装上大量环状喷气嘴以实现这一目的。