multilith简易平版印刷品Multipref.表示“多个、多种、多方面”multifrequency code signalling多频编码信号方式Multipotential differentiation多向分化Multi-filed coupling effects多场耦合Multi Resolution Terrain Model多分辨率地形模型multi-goals optimized models多目标优化模型multi spindle drilling machine多轴钻床multidimensional teaching mode立体化教学模式multi-purpose fishing vessel多用途渔船multiaxial low-cycle fatigue多轴低周疲劳multi-line segment detection多线段检测