南噶希先生
一定的英文是fixed。
例句:
1、他们发行一定数量的可公开交易的股票。
They issue a fixed number of shares that trade publicly.
2、学习、工作都有一定的时间。
There are fixed times for study and for work.
3、勘探队员成天在野外作业,没有一定的住处。
The prospectors are always out in the field and never settle down in a fixed place.
4、当透镜的球差一定时,N值的改变将影响轴上最佳聚焦点的位置。
For the lens with a fixed SA, any change of N will also affect the best focal position.
5、并在此基础上对距黑体一定距离处探测器表面的辐照度值E进行了研究。
Based on this, irradiance about the surface of detector which has a fixed distance to the blackbody is researched.
朶蕾咪灬
certain 英[ˈsɜ:tn] 美[ˈsɜ:rtn] adj. 某一; 必然的; 已确定的; pron. [动词用复数] 某些; [例句]She's absolutely certain she's going to make it in the world她坚信自己会出人头地。[其他] 比较级:more certain 最高级:most certain
生命若尘
在一定程度上 to some extent ; partly ; to a certain extent ; in some degree一定的 bound ; definite ; certain ; determinate请一定要通知我 Please keep me informed ; Please keep me accused
冰可乐28
一定:certain.
例句:
我一定会时刻睁大眼睛提防他的行为。
I shall certainly keep a beady eye on his behaviour.
这项工作必须在一定期限内完成。
The work must be completed within a certain time limit.
我觉得我们一定是在什么地方拐错了路。
I think we must have taken a wrong turning somewhere.
一定要找个宽敞地儿坐得舒服一点。
Make sure you have plenty of room to sit comfortably.
一定要确保所有的门都锁好了再走。
See that all the doors are locked before you leave.