一个圆柱体与他等底等高的圆锥体体积比是______.
一个圆柱体与它等底等高的圆锥体体积比是:3:1;
故答案为:3:1.
Protein kinase A itself is different in different cell types, whichexplains why the effects of cyclic AMP vary depending on the target cell.
在饮食物的消化和吸收方面有依存关系的是哪两个脏
A.心与肾B.肝与肺C.肝与肾D.肝与脾E.心与肝