<正>The paper investigates the relative motion around the planetary displaced orbit. Several kinds of displaced orbits for geocentric and martian cases were dis
<正>Because exact analytic solution is not available,we use double expansion and boundary collocation to construct an approximate solution for a class of two-di
<正>The dynamic interaction of two collinear interface cracks between two dissimilar functionally graded piezoelectric/piezomagnetic material strips subjected t