锯齿状

Often shrubby evergreen oak of coastal zone of western North America having small thick usually spiny-toothed dark-green leaves.

北美西部海岸地区的灌木状的常绿栎树，价值高，叶小而厚，具刺状锯齿，暗绿色。

Leaves odd-pinnate, usually with 3 or 5 leaflets; stipules caducous; leaflet blades oblong to elliptic, glabrous or sometimes slightly pubescent, margin serrate to serrulate.

奇数羽状复叶，通常具3或5小叶；托叶早落小叶叶片长圆形到椭圆形，无毛或有时稍短柔毛，边缘有锯齿到有细锯齿。

Leaves tufted; stipes stout, up to 1.2 m long, densely covered with golden brown hairs at base; lamina up to 2 m long and 1 m wide, tripinnatifid; pinnae alternate, sparsely spaced; pinnules linear-lanceolate, to 15 cm long and 1-2.5 cm wide, short-stipitate; ultimate lobes linear, more or less falcate, shallowly serrate, dark green and shining above, light green to glaucous below.

叶簇生；叶柄粗壮，长可达1.2米，基部亦密被金黄褐色毛；叶片长可达2米，宽达1米，三回羽状分裂；羽片互生，疏离；小羽片线状披针形，长达15厘米，宽1-2.5厘米，具短柄；末回裂片线形，略呈镰状，边缘有浅锯齿，上面深绿色，有光泽，下面灰白色。

Basal petioles 10–20 cm; blade broad-triangular, 10–15 cm, ternate-2-pinnate; pinnae petiolulate; petiolules 3–6 cm; ultimate segments subovate, 3–11 × 2–6 cm, undivided or 2–3-lobed, both surfaces slightly roughened, sharply serrate or doubly serrate.

基部的叶柄10-20厘米；叶片宽三角形，10-15厘米，三出2回羽状；羽片具小叶柄；小叶柄3-6厘米；末回裂片近卵形， 3-11 * 2-6 厘米，不裂或2-3浅裂，两面稍变得粗糙，锐的有锯齿或重锯齿。

Petioles acute-triangular in cross section, 5–20 cm, sheaths triangular-ovate; leaf blade triangular-ovate, 20–45 × 17–40 cm, 2–3-ternate-pinnate; leaflets subsessile or short-petiolulate, long-ovate to elliptic, 2.5–12 × 1–6 cm, base obliquely cordate to cuneate, margin coarse-toothed or serrate, apex acuminate, glabrous or hispidulous along nerves.

叶柄锐尖三角形的在横断面上，5-20厘米，鞘三角状卵形；叶片三角状卵形， 20-45 * 17-40 厘米，羽状2-3回三出；小叶近无柄或短的小叶柄，长卵形到椭圆形， 2.5-12 * 1-6 厘米，基部斜心形对楔形，边缘粗糙的齿或有锯齿，先端渐尖，无毛的或沿着叶脉具短硬毛。

Leaves alternate, simple, petiolate, usually doubly serrate, rarely simply serrate, lobulate, or entire; veins pinnate.

叶互生，单，，通常重锯齿，很少仅仅有锯齿，具小裂片，或全缘；羽状脉花单性。

Petiole sheath narrow, scarious; leaf blade triangular-ovate in outline, 2–3-ternate-pinnate; segments serrate to pinnatifid.

叶柄鞘狭窄，干膜质；叶片三角状卵形轮廓，2-3回三出羽状中国种；裂片有锯齿到羽状半裂。

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。

Leaves opposite, usually in many pairs; stipules small; petioles short, connate at base, forming a short sheath; leaf blade elliptic, ovate-elliptic, or elliptic-lanceolate, margin serrate, with 1 gland at serrate tip.

叶对生，通常有多对；托叶小；叶柄短，在基部的合生，形成一短鞘；叶片椭圆形，卵状椭圆形，或椭圆形披针形，边缘有锯齿，在有锯齿端部的具1腺体。

Leaves 1–4-pinnate or ternate-pinnate; ultimate segments serrate to incised or pinnate.

留下1-4羽状的或三出羽状；末回裂片有锯齿到锐裂的或羽状。

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