Modulation frequency
[計] 調制頻率
?? 詞語組成解析
modulation
[[?m?dju'lei??n]]
n. 調制, 調節, 語調\\n[計] 調制
frequency
['frikw?nsi]
n. 頻繁性;[數][物]頻率，次數;頻率分布;
fr + equ =equal,even,表示“相等，平均” + enc + y [形容詞后綴] → n.屢次；次數；頻率
??? 情景例句
when is your plane reservation for your flight to Athens?
飛Athens訂的是什么時候的班機？
We must make it clear from the very beginning that competitive quotations are acceptable.
必須一開始就講清的是，有競爭力的報價可以接受。
However, they have decided to use the post office.
然而她們還是決定利用郵局。