企业文化建设方面,美国著名管理学家、现代管理学理论的奠基人彼得·杜拉克认为,日本人经营的秘诀在于把现代企业变成一个家族;而中国人经营秘诀应该是,将家族变成现代企业。
参考答案:对
A transport layer protocol usually has several responsibilities.One is to create a process-to-process communication;UDP uses (71) numbers to accomplish this.Another responsibility is to providecontrol mechanisms at the transport level.UDP does this task at a very minimal level.There is no flowcontrol mechanism and there is no (72) for received packet.UDP, however,does provide errorcontrol to some extent.If UDP detects an error in the received packet,it will silently drop it. The transport layer also provides a connection mechanism for the processes.The (73) must be able to send streams of data to the transport layer.It is the responsibility of the transport layer at (74) station to make the connection with the receiver,chop the stream into transportable units,numberthem,and send them one by one.It is the responsibility of the transport layer at the receiving end to waituntil all the different units belonging to the same process have arrived,check and pass those that are (75) flee,and deliver them to the receiving process as a stream.
A.hop
B.port
C.route
D.packet
"罕见于儿童"的脑肿瘤是()
A.垂体瘤
B.颅咽管瘤
C.髓母细胞瘤
D.室管膜瘤
E.星形细胞瘤