An ox carried two water kegs strapped across his back.一条牛背上驮着两只小水桶.Pulp, boxes , frames , general construction , woodwoking ( flooring, siding , ceiling, doors , blinds , etc. ) , airplanes, musical istruments ( especial...
The model and the prototype are geometrically similar.模型与原型为几何相似.Symmetry operations are geometrically defined ways of exchanging equivalent parts of a molecule.对称操作几何上定义为交换分子中等价部分的方式.Rather, with this technique one can ...
建议对 节水 技术和低碳能技术增加更多的投资.It recommends greater investment in - saving technologies and low carbon energy.摘要面向装配的设计是并行工程中的一项重要的使能技术.Design for Assembly ( DFA ) is an important enabler in concurrent engineering.数控技术是发展新兴 高新技...