degree-degree relativity  度－度相关性

mechanical principle & mechanical applications  机械原理及应用

mechanical principle and mechanical design  机械原理与机械设计

mechanical principle and mechanical elements  机械原理与机械零件

Deep 2nd degree and superficial 3rd degree burn  深Ⅱ度、浅Ⅲ度烧伤创面

Doctorate Doctor’s degree Doctoral degree  博士学位

parallel degree(twist degree) error  平行度(扭曲度)误差

reliability degree and effect degree  信度与效度

(Mechanical) properties  力学性能

3-D coupled thermo-mechanical FE simulation  数值模拟

3-D geo-mechanical model test  地下厂房洞室群

3D geo-mechanical model test  三维地质力学模型试验

3D mechanical  三维机械

3D reconstruction from mechanical engineering draw  机械工程图三维重建

3-D thermo-mechanical coupling FE simulation  三维热—力耦合有限元模拟; 互补金氧半导体

3P6R series parallel connected mechanical arm  3P6R混联机械臂; 自动测试设备

4-DOF parallel mechanical arm  四自由度并联机械臂

6-DOF hybrid mechanical arm  6-DOF串并混联机械臂

a mechanical system of a shaft and two rolling bea  轴－滚动轴承系统