有轮的

Leaves cauline, lateral and pseudoterminal, alternate, opposite, or whorled, sessile or shortly petiolate, sometimes cirrose at apex.

茎生，侧的叶和假顶生，互生，对生，或轮生的，无梗或具短叶柄，有时有卷须在先端。

Roller sprockets have some special dentiform teeth.Depending upon the meshing which lies in between chain teeth and chain nodes,it can transfer the desired movement.

滚子链轮上制有特殊齿形的齿，依靠链轮轮齿与链节的啮合来传递运动和动力。

Nectaries of inner tepals with fimbriate projections on both surfaces; flowers nodding or horizontal.

有流苏状突起在两面的内轮花被的蜜腺；花下垂或水平。

Leaves semiterete or triangular in cross section, fistulose at least basally; base of inner filaments entire or occasionally 1-toothed on each side.

叶半圆柱形或三角形在横断面上，至少基部中空；内轮花丝全缘的或偶有1齿在每边的基部。

In this paper, a three dimensional finite element analysis method is used to analyze the difference of the mechanics response under different vehicles and different loading with different interbedded touch types in asphalt pavement of simi-rigid base layer and flexible base layer.

然而，为了更好地了解沥青路面结构在均匀分布与非均匀分布轮载作用下的力学行为，仍有必要对层间不同接触条件下路面结构层内的力学响应差异进行研究。

Inflorescences solitary, axillary, often pedunculate, seated on a receptacle; receptacles at first broadly subcampanulate, soon expanded, of unisexual flowers; male and female inflorescences often separate or sometimes mixed in same receptacle, rarely male ones capitate or cymose without receptacle; involucral bracts in 1 or 2 whorled rows along margin of receptacle.

花序单生，腋生，通常有花序梗，在一花托上坐下；花托最初宽近钟状，不久膨大，单性花（植株雌雄同株或异株；雄和雌花序通常有时分开或在相同花托内混合，很少的雄性头状或没有花托；花托的总苞片1或2轮排在边缘。

A wheel member provided with an external toothing is mounted on one flange of the belt spool.

一设置有外圈齿的轮件(24)安装在安全带卷轴(18)的一个法兰(22)上。

Shrubs, usually aerial hemiparasites on other seed plants, often spreading along host by runners, more rarely terrestrial root-parasitic shrubs or trees, nodes not articulated, glabrous or hairy, hairs often stellate or verticillate. Leaves opposite or alternate, stipules absent; petiole often indistinct; leaf blade simple, usually pinnately veined, margin entire.

灌木，通常半寄生在其它种子植物的树上，通过匍匐茎在寄主身上延伸，很少为根寄生的地生灌木或乔木，节没有关节，无毛或有毛，通常为星状毛或具毛轮，对生叶或交替，托叶无；叶柄不明显；单叶，通常羽状脉，边缘全缘。

North American herb having whorled leaves and terminal clusters of flowers spotted with purple.

北美的一种杂草，具有带紫色或带紫斑色的轮生叶，顶端有头状花序。

North American herb having whorled leaves and terminal clusters of small pinkish or purple flower heads.

北美的一种杂草，具有带紫色或带紫斑色的轮生叶，顶端有头状花序。

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