third class 是什么意思

	inexpensive accommodations on a ship or train 同义词：tourist class,
	mail consisting of printed matter qualifying for reduced postal rates 同义词：third-class mail,

	1.	A third class of rna is also required for protein synthesis, the ribosomal rna . 蛋白质合成还需要第三类RNA，即核糖体RNA。
	2.	For example , if you needed to add a third class , 例如，如果需要添加第三个类
	3.	Responsibility for third class auditing working procedure in atpu 实施发动机atpu工序三级稽查。
	4.	Fracture failure analysis of the third class turbine vanes in some engine 级涡轮叶片断裂失效分析
	5.	They traveled to shanghai in third class 他们乘三等舱去上海。
	6.	The third class documents and a lot of programe documents 3各程序文件和三级文件中的术语和定义。
	7.	I always travel by the third class 我旅行总是坐三等舱
	8.	Does a third class of black hole , intermediate mass black hole , exist 第三类黑洞-中型黑洞，又是否存在呢？
	9.	To review work of the third class medical metrology station in our hospital 对我院医学计量三级站工作的回顾
	10.	The third class standard : self - check device of the oil filling machine0 . 510 三等标准:加油机自检标准定度0 . 510

third class是什么意思