您要查找的是不是：
- cycle spiral curve 循环自闭式螺旋曲线
- The wind speed basically followed empirical Ekman spiral curve with height distribution. These results could find their application in Sichuan basin universally. 风速随高度分布基本遵循经验爱克曼螺线,这一经验公式可在四川盆地内推广应用。
- The wind speed basically followed empirical Ekman spiral curve with height distribution.These results could find their application in Sichuan basin universally. 风速随高度分布基本遵循经验爱克曼螺线,这一经验公式可在四川盆地内推广应用。
- The radiation spectrum for relativistic electron moving along curved spiral curve in plasmas is calculated, and also the formula of total energy emitted by a relativistic electron in vacua is derived. 计算了等离子体介质中，沿弯曲螺旋线运动的相对论电子的辐射谱，进一步导出了真空中的能量辐射公式.
- A Method of the Middle Spiral Curve Joining in Road Complex Curve 公路复曲线的中插缓和曲线连接的一种方法
- A Quick Solution to a Nonlinear Equation of Spiral Curve 缓和曲线非线性方程的快速解算
- The pedal of a cycle is attached to a crank. 自行车的踏板与曲柄相连。
- A preparatory handling system for NC machining of small spiral curved surfaces is developed by using FORTRAN language and C langUage. The system operates well on special NC milling machines. 采用计算机辅助交互式设计技术，研制了一个小型的螺旋曲面计算机辅助图形数控铣削加工自动编程的前处理系统，该系统用FORTRAN语言和C语言混合编程，在特制的数控机床上运行良好，能有效切削各种复杂截面的圆柱螺旋曲面外表面。
- Grounded on coordinate measuring technology of CMM, in this paper, two-coordinate on-line measurement principle for spiral curved surface and probe radius compensating method are researched. 基于三坐标测量机(CMM)的坐标测量技术研究了螺旋曲面两坐标在线测量原理与测头半径补偿方法;
- Functional changes included angjospasm of retina,thinning and shortening of macular arteries and venous spiral curves,and all of them disappeared with the decrease in blood vessels. 视网膜动脉痉挛,黄斑部动脉变细变短、静脉螺旋状迂曲,均系功能性改变,随血压下降而消失,动静脉交叉征及静脉驼背属器质性改变,是不可逆的。
- It's easier to cycle with the wind behind you. 顺风骑车省力。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- The seasons of the year make a cycle. 一年四季构成一个循环。
- Military budget continue to spiral. 军费预算继续上升。
- The business cycle experienced a sudden down. 商业周期经历了突然的萧条。
- The falling star described a long curve in the sky. 流星在空中画出了一道长长的弧线。
- This is the cycle of economic booms and slumps. 这是经济繁荣和经济萧条的周期变化。
- Military budgets continued to spiral. 军事预算继续急遽增加。
- Cycle across America? Sounds a bit dodgy to me. 骑自行车横越美国? 听起来有些冒险。
- A snail's shell is spiral in form. 蜗牛壳是螺旋形的。
