帧传送系统FTS ？

Frame Transfer System?

youdao

如果存在所述第二帧，则所述第一帧就不会被传送至本地系统，也不会被转送以便于发送至所述节点的其他端口，同时也不会发送所述第二帧。

If the second frame is present, the first frame is not forwarded to a local application nor is it is forwarded to send to other ports of the node, and the second frame is not sent.

youdao

如果存在所述第二帧，则所述第一帧就不会被传送至本地系统，也不会被转送以便于发送至所述节点的其他端口，同时也不会发送所述第二帧。

If the second frame is present, the first frame is not forwarded to a local application nor is it is forwarded to send to other ports of the node, and the second frame is not sent.

youdao