日本一家公司正出售一种据说是世界上最小的可象手表那样戴在手上的寻鱼器。该种寻鱼器能测定水深96米的鱼群位置。它包括一种分离式传感器、超声膜和液晶显示器。当用户在甲板上散步时,显示器上可观察到传感器确定鱼群位置的信号。为方便其他船员的观察也可购买附加显示器。显示器 A Japanese company is selling a fish finder that is said to be the smallest in the world that can be worn like a watch. This kind of fish finder can measure the fish position of 96 meters in water depth. It includes a separate sensor, ultrasonic membrane and liquid crystal display. When the user walks on the deck, a signal from the sensor that the sensor determines the school’s position can be observed on the display. Additional monitors are also available for the convenience of other crew members. monitor