查询词典 triangular numbers

Begonia pulvinifera is similar to B. wangii T. T. Yü, differing in the lower surface of the leaf being pale green; petiole with a reddish brown swollen base; tepals obtuse; tepals of staminate flowers 4; tepals of carpellate flowers 3 and ovary with axile placentation throughout. Begonia pulvinifera also resembles B. cavaleriei Lév., but is distinguishable by the narrower leaf; pulvinate petiole; stipules triangular with apex acuminate or cuspidate; and ovate bracts with apex acute or acuminate.

相似种类有少瓣秋海棠与昌感秋海棠：但本新种叶背面浅绿色，叶柄基部红棕色、膨大，雄花花被片四枚，雌花花被片三枚，花被片先端圆钝，且子房通体具中轴胎座，有别於少瓣秋海棠；此外，新种之托叶三角形，先端渐尖或骤尖，叶身较窄，叶柄基部具叶枕，卵状苞片先端尖或渐尖，明显不同於昌感秋海棠。

The emperor, premiers and censorial officials had the power in the central government and formed the triangular framework of "running the state together" in the way of restricting and relying on each other.

宋初完善法制，提倡依法办事，奠定了&共治&架构的稳定基础。而中唐以来社会思想的发展，为&共治&局面的出现创造了条件。

Calyx large, longer than corolla tube, apex of upper side 2-lobed, lobes obtuse-triangular, ciliolate.

大的花萼，长于花冠筒，2裂，裂片钝三角形，具短缘毛的上面面的先端。

Calyx tube short, coadnate with ovary; sepals 5, ovate-triangular, adaxially medially keeled, dehiscent with longitudinal slits.

萼筒短，与子房合生；萼片5，卵状三角形，正面中部龙骨状，开裂的具纵裂缝。

We prove that a diagram can be drawn with conicoid sequentially if and only if it can be described by a set of triangular equations of degree less than nine.

同时证明了一个三维几何图形可以用平面、球面和圆锥曲面构造出来的充分必要条件是这个三维几何图形可以用一个三角化的次数小于9的代数方程组来描述。

Lobed parts of blade narrowly triangular; flowers small, perianth purple-red; fruiting branches connivent.

叶片裂片部分狭三角形；花小，花被紫色红；果分枝靠合。 13 R 。 palmatum 掌叶大黄

By using the methods of real representation of complex matrices, companion vector and company vector, we study and solve the problems of Jordan canonical forms, triangular and generalized diagonalization for matrices under consimilarity.

我们通过复矩阵的实表示、友向量和伴向量方法，研究并解决了合相似意义下矩阵的若当标准形、合相似意义下矩阵的三角化和矩阵的广义对角化的问题。

Leaves with 5-7 basal veins; leaf blade narrowly triangular to broadly ovate, not cordate.

叶具5-7基出脉；叶片狭三角形到宽卵形，不心形。

Deltoides, which has triangular leaves and a tuft of cottony hairs on the seeds.

三角叶杨，棉白杨北美洲的一种杨树，尤指普通白杨有三角形叶片、种子上有束棉絮状绒毛

Ultimate leaf segments pinnatifid, lobes linear; calyx teeth conspicuous, triangular-ovate; fruit wings thick, cristate.

羽状半裂的末级叶裂片，裂片线形；萼齿明显，三角状卵形；果翅厚，鸡冠状的。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。