查询词典 triangular numbers

In our daily lives, and some research, sine and square wave, triangular wave is commonly used basic test signals.

摘要：在我们日常生活中，以及一些科学研究中，正弦波和方波、三角波是常用的基本测试信号。

In addition, we give the algorithms for generating the triangular decomposition or star-shaped decomposition for shapes.

另外，作者还给出了物体形状的三角骨架剖分和星形骨架剖分的两个算法。

Leaves tufted; stipes 3-10 cm long, glabrous, narrowly winged near apex; lamina oblong-ovate to triangular, generally 10-12 cm long, bi- or tripinnate; pinnae 3-5 pairs, oblong-ovate, sessile; rachis narrowly winged; pinnules pinnately dissected, segments linear.

叶簇生；叶柄长3-10毫米，无毛，近顶端有狭翅；叶片长卵圆形至三角形，通常长10-12厘米，二回或三回羽状分裂；羽片3-5对，互生或近对生，长卵圆形，无柄，羽轴有狭翅；小羽片羽状细裂；末回裂片细长，线形。

Leaves in opposite pairs, thin coriaceous, oblong, or phi needle-shaped, long 6-14 cm, the top length gradually sharp, pointed or slightly blunt wedge base, edges wavy or light wavy; petiole length 8-15 mm; stipule wide and triangular, was born in the Ministry of young vine at the top of drill-like long-tip , was born in the old vine, 3-6 mm long, the top regular convex tip.

叶对生，薄革质，矩圆形或披针形，长6—14厘米，顶端长渐尖，基部楔尖或略钝，边缘波状或浅波状；叶柄长8—15毫米；托叶宽三角形，生于幼枝上部的顶端钻状长尖，生于老枝上的长3—6毫米，顶端常凸尖。

But at least their research objects are highly crossed and deeply storied, closely connected as a triangular combination.

至少它们的研究对象是高度交叉的、深度分层的，或分区段紧密连接的一种类似三角形的综合体。

The tower has no traditional core and has a steel structural envelope which is made of triangular elements.

塔没有传统的核心和具有钢结构信封是三角元素。

Styles 1–1.5 × stylopodium; basal and lower leaves cordate-lanceolate or long triangular.

花柱1-1.5 *花柱基；基部和下部叶心形披针形的或更长三角形的。

Calyx teeth minute, triangular-ovate, often hidden under the spreading stylopodium.

萼齿小，三角状卵形，经常隐藏在开展的花柱基下。

Stem (13-)17-40 cm; basal leaf blade ovate-oblong or ovate-triangular, truncate, subcordate, or sometimes decurrent at base.

茎(13-)17-40厘米；基生叶卵状长圆形或卵形三角形，截形，，有时或下延在基部。

Valves triangular-cordate, apex acute, base subcordate, margin denticulate; denticles 1-1.5 mm.

裂爿三角形心形，先端锐尖，基部近心形，边缘具小齿；小齿1-1.5毫米 19 R 。

Chinese traditional virtue is humility and wariness,the compliment and praise to the others should be declination

中国人的传统美德是谦虚谨慎，对别人的恭维和夸奖应是推辞。如

We bought this house on the never-never.

我们以分期付款的方式买下这座房子。