既定的英文：
1.set; fixed; established; already decided

参考例句：

May Day has become a venerable institution.
国际劳动节已经成为一个神圣庄严的既定节日。

The profit margin is a measure of the investment center's ability to control its costs for a given level of revenues.
利润边际是衡量在既定收入的条件下,投资中心控制其成本的能力。

Your behavior contravenes established social customs.
你的行为违反既定的社会习俗。

Predetermined behaviour, strategies,responses
既定的行为、策略、答覆

He dealt with the problem on principle.
他根据既定原则处理那问题。

This indeed was the considered opinion of Socrates and his great pupil——Plato.
这的确是苏格拉底及其得意门生柏拉图的既定观点。

He needed no persuasion to persist in his proclaimed course.
他无需别人劝说也会坚持他的既定路线。

Now we are simply adhering to the established principles, policies and political line.
我们只是坚持既定的方针、政策，坚持原来的路线。

A given event can only exist on one state.
某个既定事件只能存在于一个状态中。

Not consistent with established truth, fact, or rule; incorrect.
错误的，不正确的与既定真相、事实或原则不一致的;错误的

set是什么意思：
v. 放置；点缀；树立；凝固；落，沉；使坐落；点燃；结果
n. 一套；装置；布景；凝结，凝固；集，集合
adj. 规定的；固定的，不变的；固执的；顽固的；准备好的，安排好的

perseverative set
固着心向

plastometric set
塑性变形

A coded character set whose character set is an alphabetic character set
一种编码字符集,它的字符集是一种字母字符集。

fixed是什么意思：
adj. 固定的，不变的；（表情）呆滞的

Have you fixed on the date?
日期选定了吗?

The horse race was a fix.
这场赛马有人操纵。

Can you get a fix on the submarine?
你能给潜水艇定位吗?

established是什么意思：
adj. 已确立的，确定的

Eastern Establishment
东部权势集团

This community was the heart of the American Establishment.
这个集团是美国权势集团的心脏。

The eradication of an established infestation is not easy
根除昆虫蔓延是不容易的。