The mission: to log the marine life around them.
此次探索的任务是记录山峰周围的海洋生物。
According to the requirements of developing new types of Marine apparatus, such as the log and the transducer, a double-ringed and all digital controlled rotary apparatus is designed.
根据研制船用新型计程仪和传感器等设备的需求，设计了双闭环全数字控制的旋转装置。
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