Double-machine timing method for nanosecond flow measurement equipment von WEN HONGZHAN, TAN ZHUANGQUAN, YANG JINGBO, DU CHUNHUI, PAN RENHONG

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River acoustic tomography flow monitoring system and method based on double-frequency underwater acoustic base station von WU XIAOGANG, LIU HUAFENG, ZHANG SHU'AN, RAO JIALONG, TAN ZHUANGQUAN, DING YONGQING, PAN RENHONG, WU YUHAO, GAO XIN

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Water resource monitoring device von WEN HONGZHAN, ZHAO CHAO, JIANG FEI, TAN ZHUANGQUAN, YANG JINGBO, TAN JUNLING, YANG LAN, PAN RENHONG, DENG LIUYAN, CHEN ZHIYING, SU LING

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Underground water level observation device von WEN HONGZHAN, MA SAI, TAN ZHUANGQUAN, ZHANG JIANHONG, YANG JINGBO, DU CHUNHUI, PAN RENHONG, WU LIYUAN, DENG LIUYAN, TANG XUEJUN, CHEN ZHIYING

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