机构: mechanism机理: mechanisation; mechanization ...作用: act on; affect原理: principle; tenet; axiom; the ...反作用原理: principle of reaction; reaction principle作用原理: action principle; functional scheme; mechanism催化作用原理: principles of catalysis action局部作用原理: principle of local action; principle of objectivity媒质作用原理: principle of action through medium药物作用原理: principle of drug action质量作用原理: mass action principle最小作用原理: principle of least action分子间作用原理: principles of interactions of molecules自动返油作用原理: automatic fuel oil returning principle激素作用原理,激素作用机制: mechanism of hormone最小作用量原理 最小作用原理: principleofleastaction应用原理图: application schematic diagram机构;机理;机制: mechanism机构;机制;机理: mechanism机理;机构;历程: mechanism酶作用机理: enzyme mechanism作用机理: mechanism of action机构原理: mechanism栈机构, 栈原理: stack mechanism捕集作用机理: mechanism of collection