lower half plane是什么意思

网络释义

用法例句

Based on hyper-singular integral equations of the inclined crack in the half-plane,through appropriate variable replacements and equation collocations,establish the linear equations.

从研究半平面斜裂纹问题的超奇异积分方程出发,通过适当的正则化代换和方程配置,建立求解问题的线性方程组,从而得出计算半平面中任意斜裂纹问题的数值方法,并编制Fortran计算程序,对不同情况下裂纹的应力强度因子进行计算。

The problem of the crack parallel to the free boundary in a half-plane body, with the distributed loads only at the crack surface is discussed in this paper.

对自由边半平面平行于界面的裂纹问题进行了研究。

The edge internal branch crack problems for half-plane in antiplane elasticity are solved with complex potentials and singular integral equation approach.

利用复变函数和奇异积分方程方法,求解反平面弹性中半平面边缘内分叉裂纹问题。

By using of complex variable function and integral equation method, the antiplane multiple holes and cracks problem of half plane region is considered in this paper.

运用复变函数及积分方程方法，求解了半平面域多圆孔多裂纹反平面问题。

On the basis of half plane equations, this paper presents a principle named"multiple half plane" to study the intersection of line segments and describes a principleto determine whether two line segments intersect.

本文根据线段的半平面方程特性，提出了一种“多重半平面”原理来研究线段的相交性问题，建立了线段是否相交的判别准则。

Using the Cauchy Integral Method of complex variable, the fundamental solutions of complex stress functions due to a concentrated force or moment acting on an arbitrary point in an anisotropic half plane were derived when the straight line boundary of the half plane was free or fixed.

应用复变函数Ｃａｕｃｈｙ积分的方法，对于各向异性半平面边界为自由或固定两种情形，分别导出了其在任意集中力或集中力偶作用下的复应力函数基本解，其特例与前人结果一

mean lower hemispherical intensity

平均下半球面烛光度

mean hemispherical intensity

平均半球面发光强度

Measure light intensity above and under the mangrove canopy by using the light meter.

用光照度计量度树冠上和树冠下的平均光照度。

a luminance unit equal to 1 candle per square meter measured perpendicular to the rays from the source.

亮度单位等于每平方米新烛光。

Luminance: The apparent brightness of a light source or surface observed from a specific direction, It is measured in cd/sq.cm. Also called Brightness.

亮度:光源或物体表面在一定方向观察所显现的光亮情况。以烛光每平方厘米计。

Analysis on Heterogeneous Underlying Surface Roughness Length in Semi-Arid Mountains Area of Loess Plateau,China

黄土高原半干旱区非均一下垫面粗糙度分析

altitude indicated above mean sea leve

平均海平面以上高度

reduction of temperature to mean sealevel

平均海平面温订正度

candid metre second

烛光米秒﹝光度单位﹞

a unit of illuminance on a surface that is everywhere 1 foot from a point source of 1 candle.

一支蜡烛的点光源在每英尺表面的照度的单位。

the sheen of old satin in candlelight.

旧缎子在烛光下的光泽

(2) Photographic term for the light reflected by the copy. Measured in cd/sq.cm.Also called Luminance.

（2） 照相光学名词。指从原稿反射的光线强度。以烛光每平方厘米计算。

hold a candle-light vigil for peace

为和平而举行烛光祈祷.

In the second half of last year, the average growth rate of imports was 6% to 7% higher than that of exports.

去年下半年，墨进口增长平均速度比出口高６至７个百分点。

The speed exceeds the average speed by a factor of 3.5.

该速度超过平均速度两倍半。

antenna height above average terrain

平均地表面上天线高度

She was reading by the light of a candle.

她在蜡烛光下读书。

The family dined by candlelight.

全家人在烛光下进餐。