self-frequency

常见例句

New Laser Self frequency doubling Crystal Cr:Nd:Gd Ca_ 4O(BO_3)_3
新型激光自倍频晶体Cr:Nd:Gd Ca_4O(BO_3)_3
I do not like to go to the movies by my self.
我不喜欢自己一个人看电影。
I my self is going to make a sandwich.
我要亲手做个三明治。
He was a wreck of his former self.
他身体坏得不成样子，已兴从前判若两人。
Knowledge of self increases as one gets older.
随着年岁的增长，人们的自我认识也不断加深。
He's not looking like his old self lately.
他最近看起来不像以前那样。