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农学
上纲
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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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narrow gorge
Narrow-headed vole
narrow heritability
narrow ideal class
narrow illumination
narrowing
narrow-internal focus
narrow lane observation
narrow-line radio galaxy
narrow-line region
narrow-line spectrum
narrow linewidth
narrow linewidth fiber laser
narrow linewidth laser source
narrowly of phlegm and fluid
narrow money
narrow predicate calculus
narrow resonance
narrow sense
narrow sense of information economy
narrow-size particle group
narrow slit drawing
narrow tenosynovitis
narrow topology
Narrow Type Bronze Swords
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