两方程对应的特征方程是恒等的.The characteristic equations of the two equations are identical.和两个不同的主胁变相对应的主方向是互相正交的.The principal directions corresponding to two distinct principal strains are orthogonal.相对论涉及两个似乎对应的概念.The theory of r...
Chengdu manager of times base profession grooms the school.成都倍垒职业经理培训学校.I would say the best students at Chengdu are no laggards.依我看成都最优秀的学生绝不逊色.Kunming - bound train passes two freights on the route to Chengdu.一列开往昆明的客车...
Shell Malleus GL is a range of premium quality, lead free.壳牌马力士GL是一系列优质 、 不含铅、抗极压的润滑剂.Shell Malleus comes in several viscosity grades and NLGI specifications.壳牌马力士系列具有若干个粘性等级和nlgi规格.Shell Malleus is high performance rang...