1) normal plane
法线平面
1.
The normal plane and its characters are discussed.
论述法线平面的一些性质。
2) Normal Line
法线
1.
Characterizing hypersurfaces of generalized rotation through its normal lines;
广义旋转超曲面的法线刻画
2.
However, it is one of the topics worthy of study that how the results of GPS survey that is based on the normal line can be converted to be compatible with the traverse survey inside tunnels that is based on the plumb line, so as to minimize the influence of the plumb line deflection on the transverse break-through accuracy of tunnels.
但是,如何将以法线为准的地表GPS成果改换到与以垂线为准的洞内导线测量相符合,从而解决好垂线偏差对隧道贯通精度的影响,是一个值得探讨的问题。
3.
Use morse theory give other proof of homatopy type of CW-complex of quaterwionic projective n-space HP~n and proof that is minimal,and give scalar characteristic of normal lines of HP~n.
利用Morse理论给出四元数射影n 空间HPn的CW 复形伦型的另个证明,并给出它的最小性与法线的一个数量特征。
3) normal
法线
1.
Based on reflection law of the light,the normal direction angle of reflect mirror in the three-dimen-sional space was deducted under the precondition of direction angles for incident light and reflect light,and the mathematic model was built,the mathematic derivation was done.
在三维空间中,已知入射光线方向角和反射光线方向角的前提下,根据光的反射定律,建立了相关数学模型,进行了数学推导,给出了三维空间中的平面反射镜法线方向角静态理论关系式。
2.
Through author s numerous practical operations,the way in employing normal in landform rectification is advanced.
笔者通过大量的工作实践 ,提出了用法线进行地形改正的方法。
3.
Using the normal gives the differential equations and their solutions with regard to the problems of the converse proposition on the optics properties of circular cone curves, and using the normal plane explains conditional extreme value.
利用法线建立圆锥曲线光学性质逆命题问题的微分方程及初等解法,利用法平面解释条件极值。
4) wave normal
光波法线
1.
When light transmits through aeolotropic crystal,as far as extraordinary light is concerned,there is a smaller included angle between the ray and the wave normal in general,which is usually called walk-off angle.
光在各向异性晶体中传播时,e光的光线方向与光波法线方向一般有一个较小的夹角,即离散角α。
5) Wave normal
波法线
1.
It can give the direction of the wave normal and thus is convenient to calculate the optical path in crystals.
该方法可直接求得非寻常光的波法线方向 ,从而为利用 (通常 )折射率计算光程提供方便 。
2.
The reflection formulas of the ordinary and extraordinary light are given for determining their reflecting orientation of the wave normal and the light ray.
基于电磁波边界条件 ,从几何光学的角度 ,对单轴晶体内表面上光的反射规律进行了分析和讨论 ,给出了寻常光和非常光波法线和光线反射的公式 同时指出了上述结果与由费马原理导出的结果是一致
3.
The refraction foumulas of the wave normal are obtained on the basis of the boundary condition of the electromagnetic wave.
对两单轴晶体交界面上光的折射，根据光的电矢量满足的边界条件，得到了波法线满足的折射公式，同时，根据度规光学中光线径迹的零测地线方程导出的Fermat原理，推得了光线遵从的折射定律。
6) common normal line
公法线
1.
With common normal line measure and approximately calculate gear thickness of worn wheel;
用公法线测量并近似计算蜗轮齿厚
参考词条
补充资料：次切线和次法线
次切线和次法线
subtangent and subnormal
次切线和次法线【，奴。嗯翻ta己，由.刃nllal;no八Kaca-，一eJ，，，Ra”H”0八nOPM幼L」 有向线段QT和QN，它们是某一曲线在点M处的切线(tan罗nt line)段MT和法线(norlml)段对N在、轴上的投影(见图). 少l， 口‘吧不‘一一-一-一号-份甲间二 TO柑 如果达一曲线是函数y二‘j(x)的图形，则次切线和次法线的长度分别等于 。二__f(x)。、了_了丫、，、，，，_、 心T“一分书丁，QN=f(x)f’(x)， 一f’(x)’乙一其中x是点M的横坐标.如果这一曲线由参数式给出: x=甲(t)，夕=沙(t)，则 。7’二一竺红纽自兰立。、，_竺立丝三旦 “一少‘(t)’“一少‘(t)其中t是确定曲线上点M的参数值.Bc3一3【补注】 IAI]Berger，M二Geo瑰t仃，2，SP力幻gcr.1989(中译 本二M.贝尔热，儿何，第一一五卷，科学出版社， 1987一1991). 工AZ j Go掀5 Te认eira，F，Tralt己des oourbes，l一3. Chelsea.犯Print，1971. 〔A3 1 Lamb，日二知6mtes，Inalc时e以us，Cambnd罗.U:uv. Press，1924.杜小杨译
说明：补充资料仅用于学习参考，请勿用于其它任何用途。