The researching on the DMUs with undesirable output gives the non-radial model FDEA of the relative efficiency measurement, proves the efficiency theories, and calculates the example.
针对所提出的具有非期望输出决策单元DMU的相对有效性，提出对其进行评价的非径向FDEA模型，给出了模型的相对有效性理论证明。
Service operations can be designed to use single input, output, and fault messages, but this is not necessary, and can result in undesirable stamp data coupling.
服务操作能够被设计用作输入、输出、和错误消息，但是这并不是必须的，而且还将导致不合需要的邮戳数据耦合。
If something doesn't match any rules at all, lex will just copy it to standard output; this behavior is often undesirable.
如果有一些内容根本不匹配任何规则，那么lex将只是把它拷贝到标准输出；这种行为通常是不受欢迎的。
Service operations can be designed to use single input, output, and fault messages, but this is not necessary, and can result in undesirable stamp data coupling.
服务操作可以设计成使用单个输入、输出以及出错信息，但是这并不是必要的，并且可能会导致意料之外的标志数据耦合。
Service operations can be designed to use single input, output, and fault messages, but this is not necessary, and can result in undesirable stamp data coupling.
服务操作可以设计成使用单个输入、输出以及出错信息，但是这并不是必要的，并且可能会导致意料之外的标志数据耦合。
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