To improve the machining efficiency and precision of convex screws,a new method was put forward for inner whirlwind NC enveloping milling of screw curved surface.
为提高凸螺杆的加工效率和加工精度,将具有切削平稳、效率高等特点的传统旋风铣削技术与具有轨迹控制灵活等特点的数控技术相结合,提出了内旋风数控包络铣削螺杆螺旋曲面的新方法。
For the stationary points along the internal rotation energy surface, full geometry optimization or QST3 transition structure search and fre- quency analysis calculations were also performed.
应用密度泛函理论在B3LYP/6-31G(d)水平上对新型除草剂单嘧磺隆绕脲桥部分两个C—N键的内旋转势能面进行计算,然后对势能面上的驻点进行构型优化和过渡态搜索,得到单嘧磺隆4种稳定构象和构象转换过程所涉及的8个过渡态结构。
There are a lot of abstract concepts such as the internal rotation and the normal vibration in the statistical thermodynamics.
统计热力学是物理化学理论框架中的一个重要部分 ,其中有许多抽象的概念和过程很难用传统的教学方法描述清楚 ,多原子分子的内旋转和简正振动就是突出的例子。
A muscle that effects or assists in pronation.
旋前肌能内旋或辅助内旋的肌肉
Flow Field Distribution in Outer Vortex Area and Inner Vortex Area of Vortex Cyclone Dust Collector
旋风集尘器外旋流区与内旋流区的流场分布
Having whorls that obscure the axis or other volutions, as the shell of a cowrie.
内旋的象玛瑙的壳一样具有遮住了中轴的螺旋线或其它旋状物的
The Dissociation of Egocentric and Allocentric Mental Rotation through an In-Rotation Effect;
自我和物体为参照系的心理旋转分离:内旋效应
Experimental study on the swirling characteristics of a swirling water jet nozzle by using PIV
旋转射流喷嘴内旋流特性的PIV实验分析
The electric fan blades whirled in the hot room.
电扇的桨叶在闷热的房内旋转着。
internally compensated inactive compound
内消旋(无旋光性)化合物
rotary combustion engine of trochoidal form
余摆线型旋转式内燃机
endometrial spiral arterioles
子宫内膜螺旋小动脉
Napier's differential screw steering gear
内皮尔差动螺旋舵装置
hexagon spline screw driver
内六角花形螺钉旋具
inboard turning
内向旋转(从尾向首看
Optimum Design of a Forming Roller for Power Spinning Process of Conical Parts with Transverse Inner Ribs
带横向内筋锥形件强旋成形过程旋轮优化设计
The hydrodynamic research on the rotating cyclone centrifuge
旋转旋流离心机转鼓内流体动力学研究
Swirl number calculation in the inlet of spinning ramjet assisted range projectile
旋转冲压增程弹进气道内流场旋流数计算
To turn or rotate(the sole of the foot)by abduction and eversion so that the inner edge of the sole bears the body's weight.
使旋前，使内转通过转或旋（足底）使足底内侧承受体重和重量
engine ,piston, spark-ignition, reciprocating or rotary internal combustion
火花点燃往复或旋转式活塞内燃机
a cycloid generated by a point inside the rolling circle.
旋转的圆内部一点产生的摆线。
