双龙骨状的

Spikelets laterally compressed, florets several, all bisexual or lowest sterile and without a palea; rachilla glabrous, disarticulating above glumes and sterile floret and between fertile florets; glumes lanceolate, shorter than lemmas, subequal or unequal, scarious-membranous, 1–3-veined, obtuse to acuminate or aristulate; lemmas ovate-lanceolate, scarious-membranous, 3-veined, long-ciliate on lateral veins, keeled, apex setaceously bidentate with a short, often recurved awn from the sinus; palea shorter than lemma, hyaline, keels very shortly ciliate.

小穗侧面压扁，小花数个，全部不育和没有一内稃的最低的两性的或；高于颖片和不结果的小花无毛，脱节的小穗轴和在肥沃的小花之间；披针形的颖片，短于外稃，近等长或不等长，干膜质膜质，1-3脉，具小芒的钝到渐尖或；卵状披针形，干膜质的外稃膜质，3脉，具长缘毛在侧脉上，龙骨状，先端setaceously具双齿具短，通常下弯从那里那些凹缺；内稃短于外稃，透明，龙骨非常短的纤毛。

Fruit indehiscent silicle, didymous, schizocarpic, reniform, cordate, or obcordate, angustiseptate, sessile, breaking into 2, 1-seeded, closed halves; valves woody, obscurely to prominently veined, glabrous or hairy, keeled or rounded, reticulate, rugose, verrucose, tuberculate, or rarely smooth; replum rounded; septum reduced to a rim or absent; style obsolete or to 1 mm; stigma capitate, entire.

果不裂短角果，成双，schizocarpic，肾形，心形，倒心形，果实狭隔的或，无梗，闯进2，1种子，裂爿木质，不明显兑一显著脉，无毛或有毛，龙骨状或圆形，，具皱纹，瘤状，具瘤，平滑的或很少；假隔膜绕行；隔膜退化至一凸缘或无；花柱废退的或到1毫米；柱头头状，全缘。

Fruit indehiscent, schizocarpic, didymous, angustiseptate silicles, sessile; valves transversely ovate or sublenticular, 1-seeded, woody, reticulate, keeled all around; replum rounded; septum complete, thickened, opaque, veinless; style slender, to 0.3 mm; stigma capitate, entire.

不裂的果，schizocarpic，成双，果实狭隔短角果，无梗；横向的裂爿卵形的或sublenticular，1种子，到处木质，网状，龙骨状；假隔膜绕行；隔膜完全，加厚，不透明，无脉；花柱纤细，对0.3毫米；柱头头状，全缘。

Fruit indehiscent, schizocarpic, didymous, angustiseptate silicles, sessile or shortly stipitate; valves oblong, obovate, or orbicular, 1-seeded, leathery, smooth, broadly winged, keeled, glabrous; replum rounded; septum complete, thickened, opaque, veinless; style obsolete, rarely to 0.5 mm; stigma capitate, entire.

不裂的果，schizocarpic，成双，果实狭隔短角果，无梗或具短柄；裂爿长圆形，倒卵形，或圆形，1种子，革质，平滑，具宽翅，龙骨状，无毛；假隔膜绕行；隔膜完全，加厚，不透明，无脉；花柱淘汰，很少对0.5毫米；柱头头状，全缘。

Spikelets subsessile, biseriate, broadside to rachis, linear to elliptic, laterally compressed, florets 2 to several, rachilla disarticulating above glumes and between florets; glumes narrow, shorter than lemmas or upper glume exceeding lowest lemma, unequal, membranous, 1-veined or upper glume sometimes 3-veined, keeled, acute to emarginate and mucronate, lower glume often with a lobe or tooth on one side; lemmas lanceolate to ovate, membranous, 3-veined, glabrous, lightly keeled or rounded, 2-dentate, midvein produced into an awn, teeth usually also mucronate or awned; palea keels scabrid or ciliolate, often winged.

近无柄，双列的小穗，船舷在轴，线形到椭圆形，侧面压扁，小花2到数枚，高于颖片脱节和在小花之间的小穗轴；颖片狭窄，短，外稃或超过最低外稃的上面颖片，不等长，膜质，1脉或上面颖片有时3脉，龙骨状，锐尖到微缺和短尖，外稃披针形的到卵形，膜质，3脉，无毛，轻而易举龙骨状的或圆形，2有齿，内稃龙骨粗糙或者具短缘毛，经常飞行。

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