A.重新生成数据B.自动纠错C.自动请求重发D.自动恢复数据
A.重新生成数据
B.自动纠错
C.自动请求重发
D.自动恢复数据
A.重新生成数据
B.自动纠错
C.自动请求重发
D.自动恢复数据
A.数据库系统
B.文件系统
C.数据库管理系统
D.操作系统
At the fiercely competitive information ages, when develop a modern enterprise application, factors such as cross-platform. ability, fast development ability, reusable ability, extendable ability, distribution, safety, maintainability, dependability etc. are needed to be __(71)__. Exactly __(72)__this background, the J2EE platform. has been created. Compared with traditional Internet application’s frame. work and the .NET platform. of Microsoft, J2EE is powerful at __(73)__, highly __(74)__, opening and variety of its products. Consequently, it gains much support from both __(75)__ and developers.
A. think
B.thought
C.received
D.considered
A.企业供应物流
B.企业生产物流
C.企业售后服务物流
D.企业废弃物物流
(40)
A.企业供应物流
B.企业生产物流
C.企业废弃物流
D.企业回收物流
A.全文搜索引擎
B.中文搜索引擎
C.半人工搜索引擎
D.多元搜索引擎
A.左子树一定为空、右子树不一定为空
B.左子树不一定为空、右子树一定为空
C.左子树和右子树一定都为空
D.左子树和右子树一定都不为空
(43)A.有向图的邻接矩阵一定是对称的
B.有向图的邻接矩阵一定是不对称的
C.无向图的邻接矩阵一定是对称的
D.无向图的邻接矩阵一定是不对称的
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