词汇	extensive operator
释义	extensive operator 扩张算子
随便看	reform of curricula reform of curriculum reform of curriculum and instruction reform of curriculum and materials reform of curriculums reform of curriculum structure reform of curriculum system reform of decentralization reform of distribution system reform of divided ownership reform of dividing stock right reform of ecological environment reform of Economics reform of economic structure reform of economic system reform of educating reform of education reform of educational reform of educational administration reform of educational system reform of educational theory reform of education and teaching reform of educatlon reform of electricity prices reform of electrode