名词等级; 阶梯座位等的一排，一行，一层; 包扎工
及物动词层层排列，使层叠
不及物动词成递升排列，层叠
1. 层：USB设备图说明:以HOST-ROOT HUB为起点,最多支持7 层(Tier),也就是说任何一个USB系统中最多可以允许5个USB HUB级联. 一个复合设备(Compound Device)将同时占据两层或更多的层. 管道(Pipe)是主机和设备端点之间数据传输的模型,
2. 层级：这些解决方案为快速发展的 B to B电子市场提供特色丰富的、可定制的、可扩展的功能,大大缩短了启动和建立客户市场所需要的时间. 但是,对于航空制造业供应链上2/3层级(Tier)上中小企业,这种自立门户的做法非常不经济.
1. 一排;一行;一列
A tier is a row or layer of something that has other layers above or below it.
e.g. ...the auditorium with the tiers of seats around and above it.
四周和上方有一排排座位的礼堂
2. (组织或系统的)层，级
A tier is a level in an organization or system.
e.g. Islanders have campaigned for the abolition of one of the three tiers of municipal power on the island.
岛上居民发起一场运动，要求废除岛上三级市政管理层中的一级。
noun
1. one of two or more layers one atop another
e.g. tier upon tier of huge casks
a three-tier wedding cake
2. something that is used for tying
e.g. the sail is fastened to the yard with tiers
3. a worker who ties something
Synonym: tier up
4. any one of two or more competitors who tie one another
5. a relative position or degree of value in a graded group
e.g. lumber of the highest grade
tier的翻译