查询词典 triangular numbers

Using linear elastic fracture mechanics and finite element method and window moving technique, a two-dimensional asphalt pavement crack propagation path simulator program has been developed with a combination of 8-node quadrilateral isoparametric element and 6-node triangular collapsed singular isoparametric element.

鉴于影响沥青路面早期裂缝的因素多而复杂，给出了影响沥青路面裂缝的因素及其相互作用关系图帮助识别裂纹形成机理。

Margin of leaf blade sinuate; petals ovate-lanceolate or triangular-lanceolate, apex acuminate.

叶片的边缘具深波状；披针形花瓣卵形披针形或三角形，先端渐尖。

VHDL using written natural sampling SPWM, there are sine table, you can enter through the external sinusoidal and triangular wave frequency.

详细说明： VHDL采用自然采样法写的SPWM，里面有正弦表，可以通过外接输入正弦波和三角波的频率。

A terrains sloe and direction may be computed relative to a plane though the elevation model points. Slope degrees and direction are useful in simulations of precipitation runoff and in defining drainage areas . The triangle terrain model, which comprises sloping triangular surface, is ideal for simulating terrain surface conditions .

坡面和坡面方向是可以藉由三角形的三个角的座标来计算出来，坡度通常是用度数或者百分比的关系来表达和水平之间的关系，坡度方向度数的表示几乎是从北边开始。

Two spall planes were observed in the soft recovered sample for the high stress triangular wave experiment.

在经过高应力三角形波实验的软回收样品上，发现了两个层裂面。

For triangular shock pulse, there can be several regions of relatively high tension and variable spall planes.

就样品中呈现三角形脉冲的平板冲击实验而言，样品中可以存在一些高拉伸应力区域并发生多次层裂。

For triangular shock pulse,there can be several regions of relatively high tension and variable spall pla...

就样品中呈现三角形脉冲的平板冲击实验而言，样品中可以存在一些高拉伸应力区域并发生多次层裂。

Can be synthesized triangular wave, square wave, and an analysis of their spectrum.

可以合成三角波，方波，并分析它们的频谱。有详细的说明。

In order to calculate the electric field intensities of spherical electrode s in 3-D electrostatic fields precisely,the spherical surface curve triangular BEM which is based on spherical coordinates transformation is put forward.

为了精确计算三维静电场中球形电极表面的电场强度，提出了基于球坐标变换的球面曲边三角形边界元法。

Results The observation of inverted phase contrast microscope showed that the majority of cells were polygonal and triangular in the experimental group, and were spindle-shaped in the control group at 7 days.

结果 诱导培养7 d 倒置相差显微镜观察显示，实验组以多边形和三角形细胞居多；对照组细胞多呈长梭形，少数为小圆形或三角形。

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。