| 1. | Sectors of it represent corresponding fractions of a wavelength .
它的各个弧段则代表一个波长的相应分数。 |
| 2. | Nc machining of three arc - typed sections
三弧段型面联接的数控加工 |
| 3. | Arc of admission
进气弧段 |
| 4. | Momentum integral equation of turbulent boundary layer on ogree section of spillway dam in considering the gravity and centrifugal force
考虑重力及离心力的溢流坝反弧段紊流边界层动量积分方程 |
| 5. | The arc segment ready for being printed should be positioned between two fixed shores . if the segment is too much long , please divide them into smaller segments
要打印的弧段应位于两个固定支撑柱之间，内容较长时应分段进行。 |
| 6. | The algorithm makes use of the node - arc structure of graph and depth - first - search , have realized the retrieval of optimum path in virtual navigation
该算法以图的节点?弧段结构结合深度优先搜索实现了自动游览中最优路径的检索。 |
| 7. | The curvature radius was derivated and the contact stress of the three - arc - sect isometric type surface was calculated through the elastic dynamics theory
应用弹性力学理论，推导出接触点的曲率半径，对三弧段等距型面联接进行接触应力计算。 |
| 8. | At the toe of thc stepped spillway if exchange a series of steps for arc section , the highe enersy dissipation can be got bu the pressure is higher in downstream icction
在坝趾处，不设反弧段比设反弧段时的消能率高，但坝下水平段的压强值较大。 |
| 9. | When one circle of angle observing data is available , a new kind of method , diagram approach , is presented when only short - arc angle measurements is available , the genetic algorithm ( ga ) is used for orbit determination
当具有半四以上观测弧段时，提出了一种图解法确定卫星轨道；当观测弧段较短时，采用遗传算法确定卫星轨遭。 |
| 10. | Dynamic model of satellite is built up with astronomic method , and a short - arch forecast arithmetic of satellite orbit in short arch with single site is given , which is of high precision when only angle data is available
本文使用了天文方法建立了人造卫星运动的数学模型，给出了一种只使用单站短弧段测角数据对人造卫星轨道进行高精度预测的算法。 |
