结构动力优化设计是当前工程结构设计研究领域中的前沿性课题。
Structural dynamic optimum design is an advanced subject in the field of engineering structure design at present.
对产品方案设计的研究一直是计算机集成制造领域的前沿性课题。
Research in product scheme design is always an advanced subject of Computer Integrated Manufacture System (CIMS).
矿产资源经济区划是一个涉及多领域、多学科、多因素的前沿性课题。
Economic division of mineral resources is a forward problem relating to multi-fields, multi-discipline and multi-factors.
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