题目内容

对被检查船舶有什么要求？

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骨髓细胞学检查不包括（）

A. 巨核细胞计数与分类
B. 有核细胞增生程度
C. 细胞数量分析
D. 骨髓染色体分析
E. 细胞形态变化

便携式泡沫发生器灭油类火灾时，应对准着火后的舱壁或火场中物体的垂直面等喷射，使泡沫均匀流下覆盖液面.

A. 正确
B. 错误

路由问题

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（5）处应选择（）

A. ports
B. streams
C. packets
D. cells