The text is good in parts, but suffers from discontinuity.文章分开看还好，但是问题在于不连贯。discontinuity in the children's education儿童教育的不连贯性Such a discontinuity or stress raiser causes a local increase of stress.此类的不连续性或应力集中源会引起应...
discontinuity in the children's education儿童教育的不连贯性The classical elementary waves in Riemann solutions include rarefaction wave, shock wave and contact discontinuity.黎曼解涉及的经典基本波包括疏散波 、 激波和接触间断.Such a discontinuity or...