transmission control layer

例句：

1. 1. Thetransmission control layer is responsible for managing thedata flow between different systems.
   传输控制层负责管理不同系统之间的数据流。
2. 2. In thetransmission control layer, packets are sentand received between devices.
   在传输控制层，设备之间发送和接收数据包。
3. 3. Thetransmission control layer is crucial for maintaining networkstability and performance.
   传输控制层对于保持网络稳定性和性能至关重要。