different concentration 基本例句 不同浓度 The method of application is dissolve by cold water to different concn.用冷水溶解配成不同浓度的溶液使用。 The volume varied behaviors of the gel-bead indifferent concentrationof the solution of NaCl are also investigated.测定了吸水凝胶微珠在不同浓度的盐水溶液中的体积变化行为。