To show that it has set breakpoint 1 at the line we requested.

以显示它已在我们请求的行上设置了1号断点。

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Set breakpoint at given line in file (default current file).

在档案中指定行设定中断点(内定为现用档案)。

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This breakpoint type is also created when you set a breakpoint from the source view in disassembly or mixed modes.

当您从单独或者混合模式下的源视图中设置一个中断点，也可以创建一个中断点类型。

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Simon's win over Nadal was all the more impressive as it came after a three-and-a-half hour battle, during which he saved 17 breakpoint chances - including seven in the final set.

BBC: Murray gains revenge over Federer