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aimed fishing
释义
aimed fishing
Encyclopedia
农学
瞄准捕捞
释
aimed fishing
瞄准捕捞
利用各种探鱼设备和网具监测仪器准确判断捕捞对象所在空间位置后进行的主动性捕捞方法。通常指中层拖网的捕捞过程,较广泛适用于围网和中层拖网捕捞。瞄准捕捞亦是部分深海底拖网作业的关键技术,如在海山区域捕捞贴近海底聚集的大西洋胸棘鲷等,是提高捕捞效率的一种有效措施。
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negotiations held in Guangzhou for the remainder of customs revenue
negotiation support system
negotiation tactic
Negrillo
Negritos
Negritude Movement
Negroes
Negroid race
Negros Island
Negro spirituals
negundo chastetree fruit
Nehanda
Nehanda Charwe Nyakasikana
Nehemiah Grew
Nehemia Levtzion
Nehe Shi
Nehruism
Nehru's industrial policy
neighbor
neighbor diplomacy
neighbor effect
Neighborhood
neighborhood
neighborhood axiom
neighborhood base
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