be attached to

基本解释

This will open a new window where an existing or a new database connection can be attached to this project.
这将打开一个新窗口，可以在此将一个现有的或者新数据库连接附加到该项目。
Because plug-ins must be attached to an existing component, they are not usually suitable for building new components from scratch.
插件必须被附加在一个现有组件中，因为它通常不适合从零开始构建新组件。
Currently, persistent storage blocks are limited to a 2TB maximum size and a single persistent storage unit can only be attached to one virtual instance at a time.
目前，持久性存储块的容量最大被限定在 2TB，而且一次只能将一个持久性存储单元附加给一个虚拟实例。

He says about 13 U.S.troops will be attached to each Afghan battalion of about 500 soldiers, and also to police units.
He reasoned then that the charge, since he could vary voltage continuously but got a discontinuous variation in velocity, his conclusion was that the charge must be discontinuously attached to the droplet.
他推断出电荷，因为他可以不断地改变电压,但是得出了速度是在不连续变化着，他的结论是电荷,是间断地依附于液滴上的。
麻省理工公开课 - 固态化学导论课程节选
The reason they call them coupons is that, in the old days, you used to actually--when you bought a bond, there would be a piece of paper and the piece of paper would have attached to it a lot of little coupons that you would clip.
这里被称作"票息"的原因是,在过去,当你买了债券的时候,会有一张纸,那张纸上附带了许多,你能剪下来的小纸票
耶鲁公开课 - 金融市场课程节选

The dedicated bayonet lens hood (LH3-01) can be attached to block out extraneous light.
ENGADGET: Sigma DP3 Merrill packs a Foveon X3 sensor and a fixed F2.8, 75mm-equivalent lens