Our company is the derivatives of the original "Shanghai Zhicheng Machinery equipment co, Ltd, is equipped with advanced production and testing equipment, strong technical force."
我司是原“上海志程机械设备限公司”的衍生，配有先进的生产和检测设备，技术力量雄厚。
On the basis of the advanced first order and second moment method, the partial derivatives of the failure probability to the distribution parameters of the process variables were formulated.
由求解失效概率的改进一次二阶矩法出发，给出了失效概率对中间变量分布参数偏导数的计算公式；
On the basis of the advanced first order and second moment method, the partial derivatives of the failure probability to the distribution parameters of the process variables were formulated.
由求解失效概率的改进一次二阶矩法出发，给出了失效概率对中间变量分布参数偏导数的计算公式；
应用推荐