维管柱
- 与 维管柱 相关的网络例句 [注：此内容来源于网络，仅供参考]
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In the transverse cross of the stem,the pericycle composed of stone cells was observed.
茎的横切面的显微特征中，维管柱鞘由一列石细胞组成。
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It consists of deposits of suberin and cutin and ensures that all the water and solutes entering the stele pass through the cytoplasm of the endodermal cells, thus allowing for selective filtering of solutes and control of flow rate.
是由木质素或角质的沉积物所组成。从而使水及溶质只能通过内皮层细胞的原生质体进入维管柱，保证了物质有选择性的通过。
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Based on real project, the method of manufacture and installation of three-dimensional slantwise steel tube poles is summarized in the paper.
采用计算机的CAD＼CAM辅助设计系统对倾斜钢管柱建立三维模型，确定几何下料尺寸。
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The working properties of hollow rod pumping system developed on the basis of hydraulic feedback principle were analyzed.
针对液力反馈原理的新型空心杆采油工艺的特点，在理论分析的基础上，考虑液体运动、空心杆柱受力等因素的影响，完成了液力反馈型空心杆采油管柱力学分析，建立了空心杆采油的二维数学模型。
- 推荐网络例句
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I didn't watch TV last night, because it .
昨晚我没有看电视，因为电视机坏了。
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Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.
今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。
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I'm running my simile to an extreme.
我比喻得过头了。