The combination of the techniques of optimization with the model experiment makes the designing and theoretical systems of the shearer drum more perfect.

将模型试验与优化理论结合，使采煤滚筒的分析、设计更为有效。

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Unravelling institutions of the scale of ABN is complex: customers, employees and it systems will bleed messily across the neat theoretical divisions between consortium members.

要理顺规模如荷兰银行者的机构结构是一件复杂之事：如何分配客户、雇员和IT系统会在联盟成员间有序的理论化部门之间引起一片混乱。

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For a systems development method to be categorized as theoretical, it must conform to this definition.

如果哪个系统开发方法要被归为理论的，它必须满足这个定义。

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Given this possibility of simple exit from any and all of the European tax systems (and such exit does not require that one stays in the EU either) the theoretical peak of the Laffer Curve is lower in Europe than it is in the US. Where such exit is very much more difficult.

FORBES: Why France's 75% Income Tax Rate Is Going To Be So Disastrous

Given our dependence on the communication systems of our planet, both satellite- and ground-based, this is not simply a theoretical worry.

CNN: Four ways the Internet could go down