问题
单项选择题
爱因斯坦的相对论指出：主体选择不同的参照系，对同一物理事件或物理过程进行时、空度量，所得的结果可能不一样。在认识论上来说是( )。
A．真象和假象的区别所造成的
B．现象和本质的矛盾所造成的
C．主体和客体的关系的变化所造成的
D．由于主观认识的错觉所造成的
答案
参考答案：C
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爱因斯坦的相对论指出：主体选择不同的参照系，对同一物理事件或物理过程进行时、空度量，所得的结果可能不一样。在认识论上来说是( )。
A．真象和假象的区别所造成的
B．现象和本质的矛盾所造成的
C．主体和客体的关系的变化所造成的
D．由于主观认识的错觉所造成的
参考答案：C
| A transport layer protocol has several responsibilities. One is to create a process-to-process (program-to-program) communication; TCP uses port (71) to accomplish this. Another responsibility of a transport layer protocol is to create a (72) and error-control mechanism at the transport level. TCP uses a sliding (73) protocol to achieve flow control. It uses the acknowledgment packet, time-out, and retransmission to achieve (74) control. The transport layer is also responsible for providing a connection mechanism for the application program. The application program sends (75) 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. |
A．numbers
B．connections
C．diagrams
D．resources