(737-800)ELT控制面板安装在飞机驾驶舱内的哪部分().
A.P7遮光板上
B.P5头顶板上
C.P8中央板上
D.P61板上
参考答案:B
__________是门静脉高压最早的临床表现,而最凶险的临床表现则是__________。
A transport layer protocol has several responsibilities. One is to create a process-to-process (program-to-program) communication, TCP uses port (1) to accomplish this. Another responsibility of a transport layer protocolis to create a (2) and error-control mechanism at the transport level. TCP uses a sliding(3) protocol to achieve flow control. It uses the acknowledgment packet, time-out, and retransmission to achieve(4) control. The transport layer is also responsible for providing a connection mechanism for the application program. The application program sends (5) of data to the transport layer. It is the responsibility of the transport layer at the sending station to make a connection with the receiver.
空白(5)处应选择()
A.ports
B.streams
C.packets
D.cells