| 1. | Rotation curve method 自转曲线方法 |
| 2. | Evidence of dark matter has been confirmed through the study of galactic rotation curves 通过银河系自旋轨迹的研究已经证实暗物质存在的证据。 |
| 3. | Through theoretically analyzing of moment - rotation curve of connection and seismic ductility of structure , the paper summarizes four parameter moment - rotation curve model and ductile designing methods 对节点的弯矩?转角曲线及结构的抗震延性进行理论分析,总结了四参数的弯矩?转角模型和延性设计方法。 |
| 4. | For the galaxy , a model contained three components ( bulge , disk and halo ) suggested by paczynski ( 1990 ) is adopted , which can reproduce most of the global observational properties of the milky way such as the rotation curve 动力学演化的时间取为银河系球状星团的平均年龄12gyr 。我们采用了三成分(核球、盘、晕)的银河系模型( p90 ) 。 |
| 5. | To make a rotation curve one calculates the rotational velocity of stars along the length of a galaxy by measuring their doppler shifts , and then plots this quantity versus their respective distance away from the galactic center 沿着银河的长度通过测量它们的多普勒变换计算星系的旋转速度的旋转曲线,然后绘出它们分别远离银河中心的距离。 |
| 6. | This paper , by means of experimental study and finite element analysis , investigates the behavior of the extended end - plate connections under static loading , cyclic loading and moment - rotation curves . the main scopes of this paper includes : 1 本文通过试验研究及有限元分析,对节点的受力性能、抗震延性和弯矩?转角曲线等方面进行了研究,主要内容包括: 1 |
| 7. | The effect of uneven power and compression condition of each cylinder of diesel engine on the crankshaft instantaneous rotation ( velocity and acceleration ) curves and their interrelationship in different cylinder numbers and rotation speeds have been thoroughly analyzed by means of the crankshaft instantaneous rotation curves simulated by computer 本文通过计算机模拟出多缸内燃机各种作功和压缩状况下的曲轴瞬时转动曲线(速度和角加速度) ,详细分析在不同缸数和不同转速条件下,柴油机各缸作功和压缩功不均衡对曲轴瞬时转动曲线的影响及其内在联系。 |