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瞄准捕捞
释义
瞄准捕捞
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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lower marine riser package
lower-most stratosphere
lower nilradical
lower one-sided limit
lower order
lower outer density
lower paraselenea
lower parhelion
lower plant
lower Privalov operator
lower process capability index
lower pure value
lower quartile
lower radical
lower radical class
lower relaxation method
lower Riemann integral
Lower Saxony
lower semi continuity
lower semi-continuity
lower semicontinuity
lower semi continuous
lower semi-continuous
lower semicontinuous
lower semicontinuous decomposition
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