超效率DEA模型； 技术效率； 投入冗余率； 产出不足率；
Super-Efficiency DEA model; technical efficiency; input redundancy rate; underemployment rate of output;
最后计算了各船闸输入冗余率和输出亏空率，为江苏船闸管理部门决策提供参考。
The input redundancy rate and output deficiency rate are also calculated which could be referred to Jiangsu shiplock manage department when making decisions.
DB 2队列复制没有传统复制的那些开销，并且提供更大的吞吐率，此外，队列的实现也增加了冗余。
DB2 queue replication does not have the overhead of traditional replication, provides greater throughput, and adds additional redundancy due to the implementation of queues.
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