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- A very small tube or tubular structure. 小管，细管细小的管子或管状结构
- A tubular structure, usually concealed but sometimes extending outside the abdomen, with which many female insects deposit eggs. 产卵器管状结构，通常隐蔽的但有时延伸出腹部外部，雌性虫子用以放置蛋或卵
- Sonography showed an elongated tubular structure over the right abdomen. 超音波显示右腹部有一长条形管状结构位于盲肠后面。
- The ringlike,cup-shaped,or tubular structure of a flower on which the sepals,petals,and stamens are borne,as in the flowers of the rose or cherry. 隐头花序一朵花的环形、杯形、管形结构，此结构中有萼片、花瓣、雄蕊，比如玫瑰或樱桃的花里。
- The ringlike, cup-shaped, or tubular structure of a flower on which the sepals, petals, and stamens are borne, as in the flowers of the rose or cherry. 隐头花序一朵花的环形、杯形、管形结构，此结构中有萼片、花瓣、雄蕊，比如玫瑰或樱桃的花里
- In its basic form, the system consists of closely spaced perimeter columns tied at each floor level by deep spandrel beams to form a tubular structure. 框筒结构的基本形式是由密布的外围宽柱和深群梁组成的筒体结构。
- The result shows that the camphorsulfonic acid (CSA) acted as soft template can form tubular structure of synthesizing PANI nanotubes. 研究结果显示CSA可作为界面活性剂，在溶液中形成管状微胞以作为聚苯胺奈米管成长的模板，并可扮演质子酸的角色使聚苯胺因掺杂效应而提高导电度。
- Studies on carbon nanotubes (CNT) become a hot topic in the world due to the unique one-dimensional tubular structure and subtle physical and chemical properties of CNT. 碳纳米管(CNT)独特的一维分子结构和奇特的物理、化学特性，成为世界范围内的研究热点之一。
- The internal force analysis, length calculation, selection of bar section, nodal design of tubular structure in the pipeline support design were given in view of poor study in this respect at home. 针对目前我国在管结构方面研究很少的情况，文中介绍了管结构支架设计中的管结构支架的内力分析，长度计算，杆件截面选择、节点设计
- Pt/MWNTs was firstly used in DMFC as cathode catalyst and it showed better ORR activity and superior cell performance than Pt/XC-72, which may be attributed to its unique electric characteristic, tubular structure and low sulfur content. 首次将Pt/MWNTs作为阴极催化剂用于DMFC，发现其较Pt/XC-72具有更好的ORR活性与单池性能，这可能与MWNTs独特的电子性质，特殊的管状结构以及更少的硫含量有关。
- Centriole A cell organelle consisting of two short tubular structures orientated at right angles to each other. 中心粒：由两个互成直角的圆筒状小体构成的细胞器。
- Histopathologically they are composed of tubular structure lined by a double layers of Epithelial cells embedded in a mucoid stroma that often exhibits areas of chrodroid metaplasia. 组织病理学上，它是由具有双层上皮网胞围成的管状组识和类似软骨组织之间质所组成的。
- Tubular structure is widely used for offshore structures, because in such structures, multiplanar joints are unavoidable. 圆管结构大量应用于海上或近海结构，在这种结构中，多平面节点是不可避免的。
- AIJ, Recommendations for Design and Construction of Concrete Filled Steel Tubular Structures [S ]. 张素梅.;钢管混凝土构件在轴心拉力作用下的性能[J]
- The tubulocystic pattern depicted here consists of cystically dilated tubular structures separated by scant stroma. 瘤细胞有时也可单层或多层排列构成管状或形成小的囊腔，周围有少量基质。
- The wavelike muscular contractions of the alimentary canal or other tubular structures by which contents are forced onward toward the opening. 蠕动消化道或其它管状结构肌肉的波状移动，通过这种方式使里面的东西移至出口外
- Apparently, the CNT with a porous structure is structurally stronger and more resistant to the collapsing of the tube walls than the CNT with a hollow tubular structure. 显然的，多孔洞型结构的奈米碳管比空心的奈米碳管具有较强的结构特性去阻抗管壁的崩溃。
- Wilm's tumor resembles the fetal nephrogenic zone of the kidney. The tumor shows attempts to form primitive glomerular and tubular structures. 瘤与肾胚胎时的肾组织成分相似。肿瘤有形成幼稚的肾小球和肾小管结构的倾向。
- The wavelike muscular contractions of the alimentary canalor other tubular structures by which contents are forced onward toward the opening. 蠕动消化道或其它管状结构肌肉的波状移动,通过这种方式使里面的东西移至出口外。
