Heterodyne frequency
[電] 外差頻率
?? 詞語組成解析
[電] 外差
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
Scene: Tom and his wife have invited Carl and David for dinner.
場景：湯姆和他夫人邀請卡爾和大衛吃晚飯。
I 'm going to dial the number.
我要撥這個號碼。
Perhaps there is an element of truth in both these pictures,
也許，這兩種都像都有可信之處。