preparation and characterization短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 制备与表征 The preparation and characterization of nucleic acid modified electrode are introduced, and various immobilization methods are also reviewed in the paper. 近年来核酸研究日益活跃，核酸修饰电极的提出，使电化学方法显示出其简单、快速、灵敏、无污染等优点。 dictall