A start node can only issue control flow, while stop and end nodes can also receive data flow.

开始节点只能发出控制流，而停止和结束节点还可以接收数据流。

youdao

Set the speed to 115200, the data bits to 8, the parity to None, the stop bits to 1, and flow control to None.

把速度设置为115200，数据位设置为8，奇偶校验设置为None，停止位设置为1，流控制设置为None。

youdao

For all devices, the Settings are 115200, 8 bits, no parity, 1 stop bit, and no hardware or software flow control.

对于所有设备，设置是115200、8位、无分区、没有硬件或软件流控制。

youdao

If significant numbers of autonomous vehicles are on the road, they could even be used collectively to control the flow of traffic, which might help minimize traffic jams, thereby decreasing commute times and avoiding all that stop-and-go traffic that wears down vehicles and it bad for the environment.

FORBES: Self-Driving Cars From Google On The Road Toward Approval In California