查询词典 obtuse triangle

Sessile spikelet dorsally compressed; callus very short, obtuse, shortly bearded; lower glume cartilaginous, broadly convex to slightly concave, flanks rounded, keeled toward apex, apex acute to obtuse; upper glume boat-shaped, dorsally keeled; lower floret reduced to a small empty hyaline lemma; upper lemma stipitiform, entire, awned from apex; awn geniculate, glabrous or puberulous.

背的无梗小穗压扁；胼胝体非常短，钝，短具髯毛；更低的颖片软骨质，对稍凹，侧面圆形，龙骨状的向先端，先端锐尖到钝宽凸；上面颖片舟状，背龙骨状；更低的小花退化至一小的空的透明的外稃；上面外稃柄状，全缘，从那里先端；膝曲的芒，无毛或被微柔毛。

Spikelets 2-flowered, florets dissimilar, the lower bisexual, the upper female, separated by a slender rachilla internode; glumes persistent, subequal, shorter than the spikelet, 1–7-veined, broadly obtuse; lemmas both membranous, veinless or obscurely veined, glabrous or pubescent, obtuse, the upper a little shorter than the lower; palea similar to lemma.

小穗2花，不同的小花，两性的下部，上面雌性，被一纤细的小穗轴节间分开；颖片宿存，近等长，短于小穗，1-7脉，宽钝；外稃两膜质，无脉或不明显，无毛或被短柔毛，钝，这上面小短于低的；内稃类似于外稃。

Corolla lobes narrowly oblong, elliptic, or elliptic-lanceolate, to 0.6 cm wide, apex obtuse; calyx lobes apically obtuse or acute.

花冠裂片狭长圆形，椭圆形，或椭圆形披针形，对0.6厘米宽，先端钝；顶部的萼裂片是钝的或锐尖。

Sepals oblong or oblong-ovate, base obtuse or shallowly dentate, apex obtuse, basal auricles 2-3 mm.

萼片长圆形或长圆状卵形，基部钝或具浅牙齿，先端钝的，基部耳2-3毫米。

Glumes 2; lemma mucronate or rarely obtuse, many veined; palea equal to or shorter than lemma, 2-keeled, obtuse; lodicules 3, transparent.

颖片2；外稃具短尖的或很少抑制，很多脉；内稃等于或者短于外稃，2 翻转，愚蠢；鳞被3，透明。

Leaf blade elliptic or oblong-elliptic or ± obovate, apex obtuse to rounded or obtuse-acuminate; inflorescences terminal and axillary.

叶片椭圆形或长圆状椭圆形或多少倒卵形，先端钝到圆形或钝尖；花序顶生和腋生。

Basal leaves rosulate, persistent; petiole to 6 cm; leaf blade oblong or oblong-spatulate, rarely linear-oblong,(0.3-)0.6-1.7(-1.9) cm × 1.5-4 mm, densely tomentose with 4-6-rayed stellate trichomes 1 or more rays of which forked or with a lateral branch on each side, base attenuate or cuneate, margin entire, apex obtuse. Cauline leaves absent or rarely 1, sessile; leaf blade oblong, tomentose as basal leaves, margin entire, apex obtuse.

基生叶莲座状，宿存；叶柄长达6厘米；叶片长圆形或长圆形匙形，很少线状长圆形，(0.3-)0.6-1.7(-1.9)厘米×-4毫米，密被绒毛具4-6伞辐星状毛1或更多伞辐那分叉或具侧枝在每边，茎生叶缺席的或很少1，无柄；叶片长圆形，象基生叶一样被绒毛，边缘全缘，先端钝。

The criteria of the minimum zone circle method, minimum circumscribed circle method and maximum inscribed circle method were researched and the criterion of obtuse triangle was proposed.

研究了圆度误差评定中最小区域圆法、最小外接圆法和最大内接圆法的判别准则，提出了具有最小误差的外接圆和内接圆的钝角三角形准则，使圆度误差的判别准则得到完善。

Based on the criteria of roundness error, the definition of the circumscribed circle and inscribed circle with the least roundness error was given. The solution to the circumscribed circle and inscribed circle with the least roundness error was proposed when they met with the criterion of obtuse triangle.

根据圆度误差评定的判别准则，给出具有最小误差的外接圆和内接圆的定义，并提出了解决具有最小误差的外接圆和内接圆满足钝角三角形准则时的误差评定方法。

Median bracts spinulose and with a papillose triangle at apex; leaf blade emarginate to obtuse or acuminate at apex.

中间的苞片具微刺并且具一个具小乳突的三角形在先端；叶片微缺的到钝或渐尖在先端。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。