题目内容

简述髁突骨折的治疗。

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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 protocol is 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（3）处应选择（）

A. path
B. window
C. frame
D. diagram

铸铁中的碳若以（）状石墨形式存在，其断面呈暗灰色，称为（）铸铁，若以（）状石墨形式存在，则称为（）铸铁。

多数国家监测泌尿系感染占部位构成比是（）

A. 10%
B. 20%
C. 30%
D. 40%
E. 50%

在定位工作中，可能由于（）被暂时阻挡，或受到外界干扰影响，引起卫星跟踪的暂时中断，使计数器无法累积计数，这种现象叫（）。