Experts are trying to devise ways to clean up the huge slick.专家们正想方设法清除这片面积巨大的浮油。White supremacists devise new Methods: To disenfranchise Negroes.白人至上论者想出新的方法以剥夺黑人的公民权.It is not easy to devise means.筹措维艰....
两层细胞 ( 两胚层 ),中间是凝胶状的中胶层.Two cell layers ( diploblastic ) separated by a gelatinous mesoglea.天边是耀眼的橙红色曙光, 下面点缀着一条凝胶状的淡绿色带子.Dawn came glassy orange , stained from below by a gelatinous band of pale green....
Microcalorimetry measurements are used to determine various energy relationships.微热量测量用来决定各种能量关系.Low voltage measurement applications include standard cell comparisons and high resolution temperature measurements and mic...