The kinematics of an east horizontal projectile in the northern hemisphere are both influenced by the air drag force and the earth′s rotation.
空气阻力和地球自转将同时影响北半球向东平抛物体的运动 ,运用辅助变量法较方便地求出了当空气阻力与抛体速度的一次方成正比时 ,北半球向东平抛物体的运动方程 ,并对其做了讨
a frustum formed from a cone.
用圆锥体做的平截头体。
a frustum formed from a pyramid.
用棱锥做的平截头体。
3-axle Linkage CNC Boring and Milling Machine Processes Multi-angle Space Plane of Cutting Head Body
三轴数控镗铣床加工截割头体多角度空间平面
To replace(the edge of a crystal) with a plane face.
把晶体的棱截成平面
A prismatoid having polygons with the same number of sides as bases, and faces that are parallelograms or trapezoids.
平截头棱椎体以边数相同的平面多边形为底面的，各侧面为平行四边形或不规则四边形的拟柱体
Study on curve equation of unfolded-drawing on the cut-cone surface
截头圆锥体表面交线展开图曲线方程的研究
(geometry) the area created by a plane cutting through a solid.
几何学中，固体被平面截断后显示出的区域。
Horizontal osteotomy combined with augmentation mentoplasty for serious chin microsomia
颏水平截骨联合置入假体治疗严重小颏畸形
On the Adiabatic Steady Flowing of Fluid in the Varying Cross - Section Horizontal Tube;
变截面水平管中流体绝热稳定流动讨论
One of his legs was gone at the knee and to the stump was fitted a roughly whittled wooden peg.
他有一条腿被平膝截掉了，马马虎虎地装上了一段木头。
A Experimental Study on Pharmacokinetics of Cefazolinum in Rats with Paraple- gia
截瘫与正常鼠体内头孢唑啉药物动力学的实验研究
To convert or make into a pollard.
使变成或制成截头树
In a volley, the player hits the ball before it bounces, and the racket is no higher than shoulder level. In a smash, the player his the ball when it is above head height.
截击空中球指运动员击在落地前低于肩的水平线的球，高压球则是击高于头部的球。
mean dynamic pressure in a cross-section
横截面内的平均动压
Plans, elevations and sections
平面图、正面图及截面图
Pick arrangement parameterization of different shape cutting heads
不同形状截割头截齿排列的参数化设计
Cutting experiment of the picks with different conicity and carbidetip diameters
不同齿身锥度和合金头直径截齿的截割试验
Study on the Method of Fixing the Bits on the Cutting-Head Based on Pro/E
基于Pro/E的截割头截齿安装方法的研究