常見例句雙語例句If the sender receives a positive acknowledgement about a frame, it knows the frame has arrived safely.如果發(fā)送端收到了有關(guān)幀的肯定應(yīng)答,它就知道發(fā)送的幀已經(jīng) 安全到達(dá)。On the other hand, a negative acknowledgement means that something has gone wrong, and the frame must be transmitted again.另一方面,否定應(yīng)答則意味著出現(xiàn)了某種錯誤,應(yīng)該重新發(fā)送出錯的幀。When the network needs to control the congestion, the signal will be delivered to the receiver at the fast speed, and was brought to the initiator by the acknowledgement frame.當(dāng)網(wǎng)絡(luò)需要預(yù)防擁塞發(fā)生時,標(biāo)記將以最快的速度到達(dá) 接收 端,并且被確認(rèn)幀帶回到發(fā)送 端。 返回 acknowledgement frame