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alula相关的网络例句

查询词典 alula

与 alula 相关的网络例句 [注:此内容来源于网络,仅供参考]

The alula is formed by feathers (usually 3 or 4) attached to the first digit.

该阿卢拉是形成了由羽毛(通常是3或4 )重视首次两位数。

Eoalulavis provides evidence that by 30 million years after Archaeopteryx , at least one group of early birds had developed the alula.

eoalulavis提供的证据表明,由三千万年后,始祖鸟,至少有一组早起的鸟儿已开发出阿卢拉。

The team also noted a hinged flap near the base of the wing, called an Alula, which is deployed at right angles to the wing, which may be being used as a air flow-control device.

这个小组还注意到,翼根附近铰接的副翼,被称为小翼的,对翼成直角配置,它可能被用来作为空气流量控制装置。

About the size of a goldfinch, the bird had an alula, or bastard wing, that would have helped it stay aloft at slow speeds.

大小约一goldfinch ,禽流了阿卢拉,或王八翼,这将有助于它留在高举速度变慢。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。