词汇	metal trace element
释义	metal trace element 金属微量元素
随便看	random access audio random access auxiliary storage random access beam positioning random access compater equipment random access computer random access computer equipment random access computing system random access control Random Access Control Equipment random access controller random access control unit Random Access Data random access delta modulation random access device random-access device Random Access Disc random access discrete address random-access discrete address random-access discrete-address random access discrete addressing system random access discrete-addressing system random access discrete address system random access disk random access disk file random-access disk file