Based on current network technologies, we give some feasible backward channel solutions for implementing interactive applications on digital TV platform, and compare their characters.
基于当前的网络技术，为有线数字电视开展交互应用提出可行的回传通道解决方案，并比较了这几种技术的特征。
Through the local branch of funds on deposit and backward areas of capital flows into developed areas of the main channel.
地方分支机构通过资金上存而成为落后地区资金流向发达地区的主要渠道。
Local branches through the capital and capital flows backward areas become the main channel developed regions.
地方分支机构通过资金上存而成为落后地区资金流向发达地区的主要渠道。
Use CFD software, the area of flow channel for forward skewed and backward skewed impeller was analyzed, and the differences in the performance of pressure between them was got.
利用CFD软件分别对前向和后向叶轮旋涡风机的单个叶道进行流场分析，得到前向和后向叶轮单个叶道的压力性能差异。
Use CFD software, the area of flow channel for forward skewed and backward skewed impeller was analyzed, and the differences in the performance of pressure between them was got.
利用CFD软件分别对前向和后向叶轮旋涡风机的单个叶道进行流场分析，得到前向和后向叶轮单个叶道的压力性能差异。
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