定于的英文：
set at
scheduled at

参考例句：

The primary structure of globin moiety is determined by the plant genome
球蛋白一半的最初构造决定于植物的染色体组。

Kick-off is timed for 2.30.
足球开赛时间定于下午2时30分。

The primary structure of globin moiety is determined by the plant genome.
球蛋白一半的最初构造决定于植物的染色体组。

That depends on internal and international factors.
这决定于国内的因素和国际的因素。

Besom:a bundle of twigs attached to a handle and used as a broom.
长柄细枝扫帚:一捆细枝固定于一长柄上,用作扫帚。

The President is scheduled to make a speech [for a speech] tomorrow.
总统定于明日发表演说。

The film is scheduled for release next month.
该片定于下月发行。

The plane is timed to arrive at 8 o'clock.
飞机定于八点抵达。

She is scheduled to give a speech tonight.
她定于今晚演讲.

The sale is scheduled for tomorrow.
大减价定于明日举行。

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。

a complete set; a whole set; a cycle; a complement
整套

Press the set button accordingly to set the seconds to 0.
按下设置按钮,把秒设定到0

scheduled是什么意思：
adj. 预定的；已排程的，定期的
v. schedule的过去式和过去分词

not scheduled or not on a regular schedule.
不预定的或不按规定时间表。

scheduled airline
定期航线

I'll schedule the expenditure.
我会做出支出的明细清单。

system scheduler queue
系统调度程序队列

The convention is scheduled for the fall.
大会定在秋季召开。