Frequency spectrum analysis and the crossing point of voltage are adopted to control the corresponding filter branch switch.

采用了频谱分析法和电压过零点控制相应的滤波支路投入运行。

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Switch to the output branches TAB and choose the Yes output branch.

切换到Out put branches选项卡，并选择Yes输出分支。

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Switch to the input branches TAB of the fork attribute, as Figure 41 shows, to see the input branch of the fork.

切换到Fork属性的Input branches选项卡(如图41所示)，查看Fork的输入分支。

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Usually one route is more direct than the other, and if a mining company has sidings and a branch line linked to one railroad it cannot quickly and easily switch to another.

ECONOMIST: American railways

Other people likely to switch were those moving home who wanted to be closer to a more convenient branch.

BBC: Do we ever switch bank accounts?