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There are three forms of symmetry in virus capsids: icosahedral , helical and complex forms.

壳粒排列的方式使病毒的结构呈几何对称,病毒衣壳有三种对称形式:二十面体立体对称、螺旋对称、复合对称,螺旋结构呈杆状,而二十面体由对称的亚单位组成近似的球状,非对称的衣壳是较复杂的形式,往往与细菌病毒有关。

The capsids of nearly all spherical viruses adopt icosahedral symmetry .

球状病毒衣壳采用二十面体对称。

The biological characteristic of many vertebrate parvoviruses have been clarified, for example the genome organization, the structure of capsids protein of virus particle, and the relationship between the structure and its function.

它与其它细小病毒一样,病毒粒子无包膜,呈球状二十面体对称,直径22nm,基因组为单链线状DNA分子,含有五种结构蛋白,嶂螂浓核病毒基因组全长为5454个核昔酸,于C含量为38.13%。

Basal internodes of culm not swollen into globose corms.

不膨胀成球状的球茎的基部秆节间。

Sculpt deformers are spherical objects which create rounded deformations.

造型变形的变形而产生圆形球状物体。

Ovary partly immersed in rachis; stigmas 3 or 4, small. Unripe drupes few, globose, 3-3.2 mm in diam.

部分浸入轴的子房;柱头3或4,小;未熟核果很少,球状,3-3.2毫米直径

Drupes globose, dehiscent or indehiscent, sometimes loosely covered by slightly enlarged persistent calyx, often basally fleshy on one side.

核果球状,开裂或不裂,有时被稍扩大的宿存花萼稍覆盖,通常基部在一侧肉质。

An Australian tree having dark glossy green leaves, greenish-white flowers, and globular, shiny, bright blue drupes.

蓝框档树一种澳大利亚树,有光滑的墨绿色叶子、微带有绿色的白花和光亮的蓝色球状核果

The subunits of silver microspheres change from ellipsoids, through rods, and ultimately to threads with an increase in the concentration of SDS.

实验发现随着体系中SDS浓度的增加,组成Ag微球的亚单元从椭球状经由棒状变成了纳米线。

Smooth hemispherical embayments by the intergrowth towards the center are not uncommon.

由于向心内生长而形成半球状弯陷的情况是很常见的。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

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