1.
Studies the differential geometric properties of the cylindroidΣ, gives the firstand second fundamental forms and the asymptotic curves ofΣ and then proves thatΣ isnot developable.
研究了柱形面Σ微分几何性质，给出它的第ⅠⅡ本形式，得到Σ的渐近线，并证明Σ不可展直纹面。
2.
The Full and Essential Condition of a Ruled Surface Being a Developable Surface
直纹曲面是可展曲面的一个充要条件
3.
Classification of Non-developable Ruled Surfaces in the Minkowski 3-space;
三维Minkowski空间中非可展直纹面的分类
4.
An Error Controllable Modeling Method of Complicated Roller Gear Cam Spatial Contour Surface Based on Ruled Surface Theory
一种基于直纹面误差可控的弧面凸轮复杂廓面建模方法
5.
On Approximate Development of Straight Grained Helicoids;
三角形等面积法在直纹圆柱螺旋曲面近似展开中的应用
6.
double generator of a ruled surface
直纹曲面的二重母线
7.
Thedeficiency of zinc, ferrum, manganese, ascorbic acid or thiamine may be no signific-ance in the cause of fissured tongue.
抗坏血酸、胺素、、和锰缺乏可能不是裂纹舌的直接病因。
8.
I felt it was now or never and went right up to him.
我感到机不可失，所以径直走到他面前。
9.
Crack propagation from the flameout edge can be modeled by considering an edge crack in the martensite surface from flame cutting.
裂纹从烧割边缘的扩展可模拟为一个从烧割处的马氏体表面起始的边裂纹。
10.
The Special Performance of Mastercam Command for Creating Ruled Surface and Swept Surfaces
Mastercam中直纹与扫描曲面命令的特殊性
11.
Show through: The printed image on one side being visible on the other due to the lack of opacity of the paper.
映现:因纸的[不透明度]低的关系， 从纸的反面， 可以看见印纹的情况。
12.
Commercial Heat Treatment Trade in Guangdong Facing up to WTO and Its Sustainable Development;
广东热处理行业直面WTO及其可持续发展
13.
Research of Crack Growth Life for Certain Helicopter's Main Blade
某型直升机主桨叶裂纹扩展寿命研究
14.
Application of the Fuzzy Reliability Method in Evaluation of Ⅰ Crack Extension
模糊可靠性分析方法在Ⅰ型裂纹不扩展评估中的应用
15.
The face diagonal can vary from a low 14o angle(reclining twill) to a 75oangle(steep twill). 45o
织物正面的斜纹线可以在较小的14° (缓斜纹)至75°(急斜纹)之间变化。
16.
"It's so much easier to give good phone than to meet in person.
“电话上可以谈得很好而直接面谈却不那么容易。”
17.
Simulation Study on Growth Behavior of Rail Tread Oblique Crack;
钢轨踏面斜裂纹扩展行为的仿真研究
18.
Growing Crack Tip-fields on Anisotropic Bimaterial Interface
各向异性双材料界面裂纹扩展裂尖场