concave-convex meaning in Chinese
凹凸的
凹凸形
Examples
- In major industries , concave - convex structure has greatest impact on metallurgical manufacturing
凹凸结构对大产业影响最大的莫过于冶金制造业。 - In summary , the concave - convex structure is a most basic original technological innovation
综上所述，凹凸结构是一项最基础的自主原始创新技术。 - 7 . technology of double self - standing ouch , double concave - convex buckle device is in the lead at home , which can truly make pouch by one machine with multiple functions
7双自立袋，双凹凸扣装置技术属国内领先水平，真正实现了一机多功能制袋。 - This article takes the lagrange equation as the principle , establishes mathematics modeling to the inertia brake vibration when it brakes , then simulates it with matlab . this paper educed the relation equations between , which are the inertia brake ' s friction coefficient of the brake ring and the friction disk , the mean radius , the braking force , rotation inertia of the driving top and the spline shaft , spiral climbing angle of the brake ' s concave - convex helicoid , the mean effort radius of the concave - convex helicoid , elasticity coefficient of the spring , quality of the driving top and the spline shaft , rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft , suppresses sleeve . provides the theory basis for the inertia brake structure optimization
本文以拉格朗日方程为理论基础,对惯性制动器在制动时的振动进行数学建模,然后用matlab对其进行仿真,得出了惯性制动器在制动时振动角频率分别与制动环和摩擦片之间的摩擦系数、制动力的平均半径、主动顶和花键轴的转动惯量、惯性制动器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半径、弹簧的弹性系数、主动顶和花键轴的质量、惯性制动器除主动顶和花键轴外其他部分的转动惯量和、顶压套的质量等惯性制动器各零部件的物理参数之间的关系,为惯性制动器的结构优化提供了理论依据。 - This machine is a kind of special equipment used for thermo - printing and creasing various products , such as cardboard , leather and plastic etc . it is suitable for thermo - printing various paper products with electrochemical aluminum and also used as a creasing and cutting machine for mould cutting and creasing cardboard cases and boxes . concave - convex thermo - printing of various high - grade and fine printed products can also be conducted on this machine for obtaining stereoscopic exquisite and beautiful packing and decorating products . the machine is controlled
本机是烫压各种纸板皮革塑料等制品的专用设备。适用于电化铝烫印到各种纸张上，又可模切压痕各种纸箱纸盒。各种高级精细的印刷品均可在本机上进行烫印，以获得富有立体感，精致美观的包装，装潢制品。