With the widely use of CD, MP3, DVD, cell phone and HDTV, digital audio power amplifier ( DAPA) prevails in audio amplifier field for its high efficiency, low distortion, low cost and portability. 随着CD、MP3、DVD、移动电话、数字电视等数字音源电器的普及,数字音频功放以高效率、低失真、低成本、小体积等优点日益成为音响领域的主流。
Cloning and Expressing of dapA Gene in Corynebacteria 二氢吡啶二羧酸合成酶基因在棒杆菌中的克隆与表达
Based on Distributed Application Program Architecture-DAPA, the paper researches transfer from distributed computing model to C/ S network data model. 文章以分布式应用程序体系结构DAPA(DistributedApplicationProgramArchitecture)为基础,研究分布计算模型到C/S网络数据模型的转换机制。