[水产]?鱼群映像

... 鱼群探测仪 fish finder 鱼群映像 fish school trace 鱼群侦察 fish spotting ...

?鱼群映象

... 鱼群形状 fish school pattern 鱼群映象 fish school trace 鱼群侦察 detection of fish school; fish detection; fish searching ...