TY - Journal of Yangtze River Scientific Research Institute A1 - ZHAO Gang, WANG Mao-mei, XU Yi, SHU Shi, CAI Jun T1 - A Preliminary Study on the Feasibility of Acquiring the Coverage of Submersed Macrophytes Using Dual-frequency Identification Sonar Y1 - 2019-09-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 29 EP - 33 VL - 36 IS - 9 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20171435 ER -