Basic molecular structural principles of biological materials.
生物材料的基本分子结构原理。
Areas of study include civil engineering, structural principles, site analysis, materials, and project management.
课程包括土木工程，结构原则，场地分析，材料和项目管理。
Importantly, the class will address molecular design of new biological materials by application of the molecular structural principles.
重要的是此课程将运用分子结构原理来探讨新型生物材料的分子设计。
This paper briefly introduces the structural principles of lifting mechanism of the tractor's rear axle and the equations of calculation have been derived from force analyses.
本文扼要地介绍了拖拉机后桥部分提升机构的结构原理，并通过受力分析导出了计算方程。
This paper briefly introduces the structural principles of lifting mechanism of the tractor's rear axle and the equations of calculation have been derived from force analyses.
本文扼要地介绍了拖拉机后桥部分提升机构的结构原理，并通过受力分析导出了计算方程。
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