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上纲
结缚在网衣上方边缘或网口上缘的纲索。是渔具的重要构件。其作用是使网衣上方或网口获得一定形状和尺寸,并承受一定的外力。常见的上纲包含网衣上方边缘为结缚浮子而装配的纲索,称为浮子纲;以及为增加网衣上方边缘强度的纲索,称为上缘纲。
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three axis magnetic logging device
three axis magnetometer
three-axis mount
three-axis mounting
three-axis stabilized attitude control system
three-axis stabilized control
three-axis stabilized platform
three basic critical temperature
three basic requirements for the formation of molecular orbital
Three Battles and Three Victories Cliffside Inscriptions at Dayunshan
three bearing deflection thrust vector
three bearing swivel nozzle
three benevolences of the Yin dynasty
three-body collision
three body force
three-body force
three-body nuclear force
three body potential
three-body potential
three-body problem
three-body recombination
three boxes game
Three Bronze Wares by the King of Zhongshan
Three Bureaus North of Zhangjiakou
three calendars of the different first months
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