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- These nanowires appear to form mostly discrete, helical multishell structures of specific “magic” sizes and shapes, and each tube consists of a triangular sheet folded cylindrically onto itself. 这些纳米线大都为离散的、特定幻数尺寸下的螺旋多壳结构，每个管由三角网格自相叠加而成。
- helical multishell structures 螺旋多壳结构
- The helical spring can no longer be used. 盘簧不能再用了。
- The spore is a dehydrated, multishelled structure that is highly resistant to environment factors, such as desiccation, heat, radiation and chemical agents. They can exist for many years as viable spores. 芽胞脱水和多层壳结构使其对外界因素,如干燥,热,辐射和化学物质具有高度抵抗力。它们可在外界存活很多年。
- The polynucleotide chain is helical. 多核苷酸键是螺旋形的。
- A chair with side structures to support the arms or elbows. 扶手椅带有侧面结构用以支承胳膊或胳膊肘的椅子
- A handrail, along with all of its supporting structures. 栏杆，扶手与其所有的支持结构相连接的扶手
- The helical gear has become worked down over the years. 斜齿轮因为年久而磨损了。
- The structures described below are idealized. 以下描述的结构是理想化的。
- Considering azimuthal space harmonics, the finite size vane model is suggested for vane-loaded helical slow-wave structures in this paper. 考虑角向空间谐波,建立了有限厚度翼片加载螺旋线慢波结构的模型,推导出色散方程。
- The milling machine is often employed to cutspur and helical gears. 铣床常用来铣制正齿轮和斜齿轮。
- The product structures were detd. by IR spectra. 用红外光谱对反应产物的结构进行鉴定。
- Epoxy structures can be similarly identified. 环氧结构也可以同样地加以鉴识。
- Virions may be polyhedral or helical and vary greatly in size. 其形状有多面体形和螺旋形，其体积大小多变。
- It will not encroach on important structures. 它不侵害重要组织。
- Helical circular mixture ,fast and uniform stirring. 螺旋循环搅拌使得原料混合更加均匀、快速。
- The sense organs or receptors are structures. 感受器或接受器是结构。
- Helical rotor is one of the key parts of high consistency repulper. 螺旋转子是高浓碎浆机的关键部件。
- Some structures are thought to have been granaries. 一些建筑物被认为是谷仓。
- The SARS viral nucleocapsid is tubular with a helical symmetry. 沙士病毒的核壳呈管形，属螺旋对称型。
