Planning sand extraction scheme in accordance with potential channel change and combining channel modification with sand extraction can improve navigation condition to a certain extent.
科学合理规划采砂方案，顺应河床演变趋势，将整治河道与采砂疏浚河道有机地结合起来，可除害兴利，在一定时期内和一定程度上改善航道条件。
The modification is an effective channel for improving of the eutectic carbide shape and distribution, and enlarging the application of the cast HSS.
变质处理是改善共晶碳化物形态和分布，扩大铸造高速钢应用的有效途径。
This essay USES marketing theories to analyze Corporation a's sales channel management status and the measures taken, and make some proposals for further modification.
本文运用市场营销理论，在内外环境分析的基础上，对A公司的渠道管理现状和采取的变革措施进行研究并提出建议方案。
In this thesis, we make a slightly modification for the control frame of the 802.11 MAC layer to enhance the transmission efficiency of packets in channel accessed.
在信道接入中为了提高包转发的效率，本文对802.11的MAC层控制帧做出一点改进。
In this thesis, we make a slightly modification for the control frame of the 802.11 MAC layer to enhance the transmission efficiency of packets in channel accessed.
在信道接入中为了提高包转发的效率，本文对802.11的MAC层控制帧做出一点改进。
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