- 梯纹孔
- scalariform: adj. 【动物；动物学】梯状的；【植物；植物学】阶纹的 ...
- pit: n. 1.坑，凹地，凹处；【矿物】矿井；煤坑；【植物；植 ...
- scalariform: adj. 【动物；动物学】梯状的；【植物；植物学】阶纹的。 a scalariform vessel 梯纹导管。
- scalariform cell: 梯纹细胞
- scalariform conjugation: 梯形接合; 梯形结合
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scalariform pit中文什么意思
- 梯纹孔
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例句与用法
- It was shown that vessel elements in secondary xylem of p . emblica have many different forms and most of them have tails and their perforation plates divide into two types : ( 1 ) there is one simple perforation plate at each end of the vessel elements and ( 2 ) there is one simple perforation plate at one end of the vessel elements and two simple perforation plate at the other end ; ( 3 ) a few vessel elements have special inclusions ; ( 4 ) the intervascular pits are alternate pits ; ( 5 ) the pits between the vessels and rays are mixed pits , pits with transverse gashes and scalariform pits
结果发现，余甘子次生木质部导管分子中存在着许多不同的样式，导管分子大多数具尾；其穿孔板存在着两种类型： ( 1 )两端均为1个单穿孔板； ( 2 )一端为1个单穿孔板;另一端为2个单穿孔板； ( 3 )极少数的导管分子具有特殊的内含物； ( 4 )管间纹孔式为互列纹孔式； ( 5 )导管射线间纹孔式为混合型纹孔与横列刻痕状纹孔以及梯状穿孔。