A method for the random angly rotation of plane figures in the operation of electrical discharge wire-cutting machine was discussed.
对于一些不规则图形,可先对加工指令表达的平面图形进行坐标旋转变换。
This article employs the method of element changing in definite integral to spread the dimension formula of plane figures.
利用定积分的换元法 ,推广了平面图形的面积公
So it is significant to study the plan view pattern control technique for improving plate yield and plate quality and to save conserve energy.
因此研究中厚板轧制平面形状控制对提高中厚板轧制的成材率和产品质量及节能降耗至关重要。
It's very serious for horizontal deformation to damage building.
水平变形对建筑物的破坏极为严重。
The displacement and deformation from undermining are analyzed,and the degree of damaged land from undermining are systematically evaluated according to the three factors of subsidence,leaning and horizontal deformation.
采矿企业推动国家经济发展的同时也破坏了大量的土地,论文分析了地下开采引起地表的移动和变形,从下沉、倾斜和水平变形三个主要因素着手,运用模糊综合评判模型对开采引起的土地破坏进行综合评价,为土地复垦工程的开展提供可靠的决策依据,最后简要给出实例及结论。
The anisotropy of the SFE and the equilibrium form (EF) of the crystal can be readily determined by using the results.
根据该模型和Wulff定则得出的晶体平衡形状与理论完全一致;同时,计算结果也表明面心立方和体心立方晶体的平衡形状与其三维第一布里渊区重合。
flattened both on the outer surface
内外表面都略呈扁平形
Ascending Triangle
上升三角形、平顶三角形
parallelogram illusion
平行四边形错觉 平行四边形错觉
Entitled to sickness benefit
（组成三角形、矩形等平面图形的）边
2-Harmonic Submanifolds in a Conform Flat Riemannian Manifold
共形平坦黎曼流形的2-调和子流形
The Submanifolds With parallel Mean Curvature Vector in a Locally Symmetric and Comformally Flat Riemannian Manifold;
局部对称共形平坦黎曼流形中的平行平均曲率子流形
flattened and curled shape
变平或变弯曲的形状
horizontal cell
水平细胞,星形[胶质]细胞
average energy per ion pair formed
平均每离子对形成能
horizontal trunk engine
平卧式筒形活塞发动机
the situation is relatively calm now.
现在情形比较平稳定。
bar-shaped automatic balanced recorder
条形自动平衡记录仪
shape and dimension of refractory bricks for open-hearth furnace
平炉用耐火砖尺寸、外形
pedestal voltage
平顶基座形脉冲电压
A quadrilateral having no parallel sides.
没有平行边的四边形
double link jib in parallelogram
平行四边形组合臂架
fundamental period parallelogram
原始周期平行四边形
parallel motion linkage
平行四边形悬挂装置
