三角形齿

Stem branched from base; valves triangular, margin dentate or denticulate.

茎分枝自基部；三角形的裂爿，边缘具牙齿或具小齿。

Nutlets 4, all or some developed, turbinate to ovoid or triangular-ovoid and dorsiventrally compressed; abaxially usually discoid, ribs or margin usually winged, dentate or with glochids.

小坚果4，全部或者一些发展，陀螺状的到卵球形卵圆形或三角形并且被背面压缩；背面通常盘状，肋骨或者边缘通常飞行，有齿或者用钩毛。

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。

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。

Margin of central leaflet 12-24-toothed on each side; seeds elliptic or obtriangular

中心小叶边缘12-24齿在每边；种子椭圆形或倒三角形 7

The flower has calorie of power, sepal egg shape wraps around needle form, petaline corydalis is lubricious, have canaliculus state, straight or go up a bit curved; Florescence 4 ～ May, purple floret, xie Rengqing of after autumn bine is green be like first, the companion other the flower has acicular small fruit, till at the beginning of the winter, ground upside divides ability wither, because this is wonderful ground by the plant, but sheet is planted the predestined relationship issues a Zhi Yulin or on the meadow of exposed to the sun, also but with other herb, wait like bison grass, dandelion mix kind, form level ground of beautiful compose flowers and plants.

紫花地丁叶基生，狭披针形或卵状披针形，边缘具圆齿，叶柄具狭翅，托叶钻状三角形，有睫毛。花有卡柄，萼片卵状披针形，花瓣紫堇色，具细管状，直或稍上弯；花期4～5月，紫色小花，秋后茎叶仍青绿如初，花旁伴有针状小果，直至冬初，地上部分才枯萎，因此是极好的地被植物，可单种成片植于林缘下或向阳的草地上，也可与其他草本植物，如野牛草。蒲公英等混种，形成漂亮的缀花草坪。

Petiole 2-12 mm, white villous; leaf blade ovate to triangular-cordate, 2.1-6 × 1.5-4.2 cm, adaxially sparsely white pubescent, abaxially gray and densely white pubescent, base cordate to subtruncate, margin crenate-serrate, apex acute or rarely obtuse.

叶柄2-12毫米，白色长柔毛；叶片卵形心形到三角形， 2.1-6 * 1.5-4.2 厘米，正面疏生白色短柔毛，背面灰色和浓密白色短柔毛，基部心形到近截形，边缘具圆齿有锯齿，钝的先端锐尖或很少。

Calyx 3-6 mm, teeth awl-shaped or narrowly triangular.

花萼3-6毫米，齿锥形的或狭三角形。

In addition, there are square, diamond, triangular, toothed, dovetail-shaped, B-shaped, C-shaped, are generally only used in high and medium pressure valve.

此外，还有方形、菱形、三角形、齿形、燕尾形、B形、C形等，一般只在高中压阀门中使用。

Results 56cases had subarachnoid space hemorrhages.On CT scan,the lesions presented as band-shaped high density shadow that inside margin shows brush or combsat subtentorium except overtentorium.6cases had subdural hematomas.On CT scan,the lesions displayed as strip,long triangle or cresent high density shadowwith sharp margin.The other two cases had compound both lesion,and the high density shadowwas wider than simple.

结果 本组63例中，蛛网膜下腔出血55例，其特征性CT表现为小脑幕下的带状高密度内缘呈毛刷状或梳齿状；硬膜下血肿6例，可见沿幕缘单侧分布的边界清楚的直线形、长三角形或半月形带状高密度影；复合积血2例，其积血的区域高密度带多较单纯者为宽，适当降低窗宽和提高窗位隐约可见其密度差，呈分层现象。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失