rad 是什么意思

	n. 【物理学】拉德〔吸收辐射剂量单位〕。

	the unit of plane angle adopted under the Systeme International d''Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees) 同义词：radian,
	a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material

	1.	Workers at nuclear installations are not supposed to receive more than 5 rad per year . 从事原子核工作的人员，每年接受的照射不许超过5拉德。
	2.	Basom observed the contact angle of water against silane-treated e glass to be about 1. 2 rad . 巴索母观察到水对硅烷处理的E玻璃接触角大约是12弧度。
	3.	So yes , you can use it in place of rad 因此，答案是肯定的，可以使用它代替rad 。
	4.	This is fuckin ' rad . what does all this stuff do 这是唱片这些东西起什么作用的？
	5.	Architected rad : importing a uml base model 面向架构的快速应用开发：插入uml基础模型
	6.	Teaching single trace cathode - rad oscilloscope 教学用单踪阴极射线示波器
	7.	Performs any initialization of the instance of the 执行rad设计器所需的
	8.	Architected rad : maintaining control over code 面向架构的快速应用开发：维护代码之上的控制
	9.	Dev 395 essentials of rad for websphere software 两天的培训课程
	10.	Effect of nitrogen implantation technologies on total dose rad - hardness of 材料抗辐照性能的影响

rad是什么意思