Options allow you to control the output from wc or to display other information such as maximum line length.

可以使用选项控制wc的输出，或者显示其他信息，比如行的最大长度。

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Because of this cross connection, the DTR output line can be used for simple flow control.

因为这种交叉连接，DTR输出线可以被用来简单的流量控制。

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For example, the RF output line may be coupled to a switch, which is controlled based on control information, e. g., received from the transceiver.

例如，射频输出线可以耦合到开关，这个开关基于控制信息而被控制，例如，从收发信机接收的控制信息。

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It also features line-level RCA stereo output and stereo headphone output with separate volume control.

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