If you set link to null, a new database connection is created.

如果将link设为null，就会创建一个新的数据库连接。

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You can set link as a reference to an existing database connection link or object.

而link则可被设为对现有数据库连接或对象的一个引用。

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BRSL stands for "branch relative and set link." This branches to the function entry point and sets the link register (LR) to the next instruction for the return address.

brsl代表“branch relative and set link”，用来分支到函数的入口点并将链接寄存器(LR)设置为返回地址的下一个指令。

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Facebook has set up a link through that organization, where people can sign up with their state registries to become official donors.

FORBES: Organ Donor Community Surprised And Thrilled By Facebook Decision

The self-install package uses wires to link set top box with the computers in customers' home, but eventually Telewest said it will provide wireless connectors to make installation even easier.

BBC: Cable clips,

It also has slashed some prices and set plans to link some programs to Linux, even while trying to kill off the rival by telling customers it is risky, unreliable and a dubious bargain.

FORBES: The New Barbarians