单词	card backup
释义	card backup 卡备份
随便看	spatial power combiners spatial power combining spatial-power-combining technique spatial power distribution spatial power distribution flattening spatial power divider/combiner spatial powers combining spatial practice spatial precipitation distribution spatial predicate spatial predication spatial prediction spatial prediction filtering spatial prediction model spatial preference spatial preposition spatial prepositions spatial presaturation spatial prestressed steel structures spatial price spatial price discrimination spatial price equilibrium spatial price variations spatial pricing spatial pricing policies