The sense of achievement experienced from the solution of a complex business problem by the installation of a new system is indescribable.
通过安装一个新的系统而解决一个复杂的业务问题所获得的感觉是难以形容的。
The application of a new system for developing an operating mine is a complex problem whose solution is expected to satisfy a number of conflicting requirements.
将一种新的采矿方法应用到已采矿山会有许多复杂的问题有待解决，因为相互矛盾的要求需要得到满意的解决。
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