1.
The quantity produced as the result of one operation:
一次操作所生产的数量,即一次生产量。
2.
Strangers the first time, acquaintances the next, as the saying goes. But it is easier understood than done.
一次生，两次熟，这道理简单易懂。
3.
secondary natural radionuclides
次生天然放射性核素
4.
Fourteen flights, sir.
十四个班次，先生。
5.
bimestrial:Occurring every two months; bimonthly.
一月两次的:每两个月发生一次的;一月两次的。
6.
Occurring every two months;bimonthly.
一月两次的每两个月发生一次的；一月两次的
7.
Occurring once every100 years.
百年一次的每一百年发生一次的
8.
What's the most memorable sexual experience you've ever had?
你记忆最深的一次性生活是哪一次?
9.
In this contest you were next to Mr Stevenson.
在这次比赛中你仅次于史蒂文森先生。
10.
secondary gonocyte
次级性原细胞, 次级生殖母细胞
11.
The practice of marrying only once in a lifetime.
一次结婚制一生中只结一次婚的习俗
12.
Happening, done, or appearing three times a week.
每周三次的一周发生、出现或做三次的
13.
There were several clashes before this latest incident.
在这次事件发生之前已有过几次冲突。
14.
Group-graded rings of half-simple modules with finitely generated modules;
有限生成半单分次模情形的群分次环
15.
occurring every two weeks.
每两星期发生一次的。
16.
Happening every two months.
每两个月发生一次的
17.
Sodium hypochlorite generator
GB12176-1990次氯酸钠发生器
18.
once-through type steam generator
一次通过型蒸汽发生器