倒楔形的

Petals obovate or obovate-oblong, 1.1-1.5 cm, ciliolate and brown-glandular on upper half of margin, narrowly clawed at base; petal-scale indistinct, ca. 2 mm, base cuneate, apex truncate and denticulate.

花瓣倒卵形或倒卵状长圆形的，1.1-1.5厘米，在上半部边缘具短缘毛和具棕色的腺，基部具狭的瓣爪；不清楚的花瓣鳞片，长约2毫米，基部楔形，先端截形和具细牙齿的。

Leaves dark to bright green, with inconspicuous veins, surface often crinkled, villous to strigillose, sessile to shortly petiolate; rosette blade 13-30 × 3-5 cm; cauline blade narrowly elliptic to lanceolate or oblanceolate, 5-15 × 2.5-4 cm, base attenuate to narrowly cuneate, margin remotely dentate, usually undulate toward base, apex acute to subobtuse.

把深色的留给翠绿，具不明显脉，通常皱曲，对具短糙伏毛，无梗在具短叶柄具长柔毛的表面；莲座丛叶片 13-30 * 3-5 厘米；茎生叶狭椭圆形到披针形或者倒披针形， 5-15 * 2.5-4 厘米，基部渐狭对狭楔形，边缘稀疏的具牙齿，通常波状对于基部，先端锐尖的对微钝。

Petiole 8-20 cm, glabrous; leaf blade 5-7-foliolate; leaflets sessile, abaxially green, oblanceolate, 10-25 × 5-12 cm, abaxially glabrous or with sparse whitish hairs, ferruginous tomentose at base and in axils of lateral veins, base cuneate, margin crenate-serrate with teeth crenulate-serrulate, apex acuminate to subcaudate; lateral veins in 18-25 pairs.

叶柄8-20厘米，无毛；叶片5-7具小叶；小叶无柄，背面绿色，倒披针形， 10-25 * 5-12 厘米，背面无毛或者有稀少带白色毛的，被锈色绒毛在基部和在侧脉腋处，基部楔形，边圆齿状锯齿具细圆齿到细锯齿的牙齿，18-25对的侧脉。

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