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三角形

与 三角形 相关的网络例句 [注:此内容来源于网络,仅供参考]

A triangular sail stretching from the foretopmast head to the jib boom and in small craft to the bowsprit or the bow.

船首三角帆一面从前桅的中段展开至下桁的三角形帆,在小艇上则展开至第一斜桅或艇首

In the Delaunay method, the dissertation improves the customary Bowyer arithmetic, which advance the quality of triangle and the speed of generation.

并在Delaunay三角化算法中,改进了原有的Bowyer算法,提高了三角形单元的质量,同时也提高了生成的速度。

In this paper, a novel nonlinear double-exposure technique for fabricating fiber Bragg gratings with triangular spectrum is proposed.

提出了一种利用非线性二次曝光技术制作三角形光纤Bragg光栅的新方法。

Using a triangle classification program as an example, under the guidance of branch distance based fitness function, performance of generating path-oriented test data between these two algorithms are compared. Experimental results show that PPGA based approach can generate path-oriented test data more effectively and efficiently than SGA based approach does.

采用基于分支距离的适应度函数,以三角形分类程序为例比较了二者在生成路径测试数据时的性能差异,实验结果表明伪并行遗传算法较之基本遗传算法具有明显优势。

This product is a new-generation initiatory toy for baby;2、Guide baby to correctly know various geometries such as triangle,hemicycle,rectangle etc.3、Train baby's ability of practice and thought;4、Arouse baby's imagination so bring into play creativity during actual operation.

本产品是新一代的幼儿启蒙玩具;2、可引导宝宝对三角形、半圆形、长方形等各种几何形状的正确认识;3、锻炼宝宝的动手动脑能力;4、激发宝宝想象力,从而让宝宝实际操作过程中发挥创造力。

Leaves scattered; petiole 3–5 mm, densely spreading rust-colored setose; leaf blade elliptic-ovate, ovate, or oblong-lanceolate, 8–16 × 4–9 cm, papery-leathery, abaxially very densely rust-colored setulose, especially on veins, adaxially bullate, densely shortly setulose, immediately glabrescent, secondary veins 2 pairs arising from base, fine veins distinctly raised abaxially, impressed adaxially, base shallowly cordate to rounded, margin slightly revolute, sparsely dentate,± setiform-ciliate, apex acuminate, caudate, or acute. Inflorescences axillary, racemose or corymbose, 1–4 cm, ca. 10-flowered, densely tomentulose; bracts rhombic-triangular, 5–8 × 4–5 mm, leathery, densely tomentulose.

叶星散 叶柄3-5毫米,密被平展锈色具刚毛;叶片椭圆状卵形,卵形,或者长圆状披针形, 8-16 * 4-9 厘米,纸质革质,背面非常浓密锈色具小刚毛,在脉上的特别是,正面具泡状隆起,具小刚毛的密被短的,立即后脱落,次脉2 对生于基部,清楚的细脉背面突起,正面凹陷,基部浅心形到圆形,花序腋生,总状或伞房状,1-4厘米,约10花,密被被微绒毛;苞片菱形三角形, 5-8 * 4-5 毫米,革质,密被被微绒毛。

BUnder the condition of three different field surface treatments-one no till,one completedeep loosening,one strip trenching,the discrepancy by total amount of accumulative infiltration byboth field test and FEM methods during 630 min was less than 10%.

而粘壤土三角形松土断面最佳参数为:松土间距s=60cm,松土深度h=10cm,松土宽度w=10。此时,当量松土深度为1.67cm,100min的入渗量为29.35mm,比相同土壤的免耕处理田面的入渗量增加了19.8%,松土效率为每增加1cm的当量松土深度,入渗量增加11.9

The Cut Ear button will start to triangulate the polygon, the triangles composed

在割掉耳朵按钮将开始三角多边形,三角形组成

The external fixator was a good, economical, effective and simple method in the treatment of femoral neck fracture. The three pins used in fixation of femoral neck fracture are important. The placement of the pins should be in accordance with the compressive trabeculae and clingy to the femoral calcar.

3动力髋螺钉虽然在固定强度上优于其它各组,但却由于手术创伤大、对股骨头残存血供破坏较大等缺点而限制了其应用;自行设计的外固定支架为一种简单、有效、实用、经济的固定方法,有一定的推广价值;穿针方向应循压力骨小梁方向尽量贴近股骨距低角度倒三角形钻入才符合生物力学原理。

Like many of the molecular species that have been detected inthe interstellar medium, the singlet carbene cyclopropenylidene(C3H2), has been presumed too unstable to isolate in the laboratory.

一个名为cyclopropenylidene的三角形碳环分子过去只是在星际空间被探测到,现在一个研究小组在地球上的实验室中制造出了稳定的这种分子。

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Do you know, i need you to come back

你知道吗,我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。

Chapter Three: Type classification of DE structure in Sino-Tibetan languages.

第三章汉藏语&的&字结构的类型划分。