由发出电磁辐射的物质所产生。

Produced by matter emitting electromagnetic radiation.

youdao

现金券由发出日起三个月内有效。

The cash coupon is valid for three months from the date of issuance.

youdao

是对还是错，信息的接受者倾向于相信由发出者基于本能所给出的非言语语言。

Right or wrong, the receiver of the communication tends to base the intentions of the sender on the non- verbal cues he receives.

youdao

Is it Balzac the individual, furnished by his personal experience with a philosophy of Woman?

是否巴尔扎克自己的，个人经历就是由女性哲学衍发出来的？

耶鲁公开课 - 文学理论导论课程节选

And the orders were given to it from something outside itself."

而这些命令,则是由外部发出的

耶鲁公开课 - 死亡课程节选

If your have good eyesight from the distance that you're at you can see the vessels leading out of the heart and into the lungs, and the lungs are these darker spaces within the ribcage.

如果你的视力足够好的话,你们能看到,由心脏发出血管,进入到肺部,肺是胸腔里这片比较暗的部分

耶鲁公开课 - 生物医学工程探索课程节选