automatic jack是什么意思

用法例句

Taking the manual jacking screw-driving device as the research obje ct, and the volume of the driving screw pair as the objective function, this pap er makes the design by using the optimum method and sets up the mathematic model , which is realized through MATLAB toolbox.

以手动千斤顶螺旋传动装置为研究对象,以传动螺旋副的体积为目标函数,应用最优化方法进行设计,建立了数学模型,并通过MATLAB工具箱实现。