查询词典 parabolic curve

Bisecting the "eclipse begins and ends at sunrise and sunset" loops is the curve of maximum eclipse at sunrise and sunset.

划分&日蚀开始於日出方位、结束於日落方位&的图表就是日出方位的食甚和日落方位的食甚的曲线图。

The breading of magnitude-frequency relation curve and its mechanism.

地震活动频度—震级关系曲线拐折及其力学机制研究。

When t=1/2, Path of the C-curves and H-curves ofdegree two and three are lines, but not for the Path of degree four, weneed more about the control polygon. Paths are commonly curves. Butthe reference [38] pointed out that they can closely be approximated bylines. By this method we can get a C-curve passing a given point easily.

一般情况下，C曲线族的Path也是曲线，文献[38]以三次C曲线为例，提出用直线进行近似，应用这一方法，我们可以简洁的求出过一定点的C曲线，只要给定的点在C曲线族的范围内，则可以首先求出过这一点的C曲线族的Path，然后可以确定过这一点的C曲线的形状参数α，以及曲线参数t.H曲线的情况与C曲线类似。

The old technology and equipment in the curve of columnar ,plane and cambered coiled pipes for circular pipe-coiled pipes and half pipe-coiled pipes were very complicated.

原有的圆管盘管和半管盘管中的柱面螺旋盘管、平面盘管和曲面盘管的结构繁杂、弯制质量差以及弯制工艺工装造价昂贵。

This model capitalizes on Miner's theory and S-N curve, and Weibull model about the wind 's distribution was considered.

该种模型利用Miner理论和S-N曲线，并且假定风速服从韦布分布。

Drying curve and carbonizing temperature of rice hull powder treated by suitable agents and processes are measured in order to investigate factors influencing its thermostability.

选择适当的处理剂和处理方法对稻壳粉进行处理，通过测定其干燥特性曲线和炭化点，比较了不同处理方法对稻壳粉热稳定性的影响。

Bridge engineering ; self-anchored suspension bridge ; parabola ; segmental catenaries ; cable curve ; zero-stress length

桥梁工程；自锚式悬索桥；抛物线；分段悬链线；线形；无应力长度

Took Sanchaji suspension bridge in Changsha as a case study, based on different hypothesis, two methods were deduced, the parabola method of cable gravity distributing uniformly along the span, and the catenaries method of gravity distributing equally along the curve.

以长沙市三汊矶湘江大桥为工程背景，对自锚式悬索桥的主缆线形及无应力长度的计算方法进行了研究，推导出两种基于不同假定下的主缆线形及无应力索长的计算方法：假定主缆自重沿跨径均布的抛物线法和假定主缆自重沿弧长均布的分段悬链线法。

They stooped in a long curve down into the golden glow, concentrating, cawing, wheeling, like back flakes on a slow vortex, over a tree clump that made a dark boss among the pasture.

它们作弧线状俯冲进金色的余辉，围着一块乌黑的树桩盘旋，如同缓慢的旋风卷起黑色薄片。

As the investigation deepens, the third chairman Gusong salesman who cheapens ST Jinding buy low-quality cement assets - Sichuan Ka Wah - a curve from the fertilizer plot, in the dust after the course of time, the re-surfaced.

随着调查的深入，公司第三任董事长古松贱卖低买ST金顶优质水泥资产——四川嘉华——以曲线自肥的种种情节，在尘封日久后，再度浮出水面。

Your body needs a certain number of calories each day.

你的身体每天需要一定量的能量。

And he can make decisions about his. He doesn't want your kidney.

而他可以对他自己做决定他不想要你的肾