如果吸积发生在偏心轨道，则自转将是正向的，且快慢也合适。
If accretion takes place in eccentric orbits as well, the rotation will be prograde and of the right order of magnitude.
科学家们已发现明显的迹象表明：太阳有一个小弟弟，它是一颗暗星，其偏心轨道导致彗星群和流星雨周期性降落地球。
Scientists have found compelling evidence that the Sun has a baby brother, a dark star whose eccentric orbit is responsible for periodically showering the Earth with comets and meteorites.
地球轨道偏心率的变化大约在96000年的一个周期内发生。
Changes in the eccentricity of Earth's orbit occur in a cycle of about 96,000 years.
地球环绕太阳的公转轨道是偏心的，这是因为地球的公转轨道稍微呈椭圆形，所以这个轨道实际上就有两个中心（这两个中心都不与太阳的中心重合）。
The orbit of the earth around the sun is eccentric because the orbit is slightly elliptical and so has effectively has two centres (neither of them the centre of the sun).
由于偏心率小，我们假定地球绕太阳的轨道和月球绕地球的轨道都是圆形。
Since the eccentricities are small, we can assume that the orbits of the Earth around the Sun and the Moon around the Earth are both circles.
在星盘上，一个偏心的圆代表了太阳的运行轨道——黄道。
On the astrolabe, an off - centered circle represents the orbit of the sun - the ecliptic.
这又怎样取决于轨道偏心率？
某700吨吊车梁的吊车轨道偏心超过规范允许偏差。
Some crane beam for 700t cranes was detected having installation error of rail eccentricity exceeding code limit.
本方法具有以下优点： （1）本方法适用于任意偏心率的卫星轨道。
This method has following advantages: (1)The method is useful for satellite orbit of any eccentricity.
以金星借力轨道设计为例，分析了轨道偏心率与轨道倾角增量之间的关系。
Taking the design of Venus gravity-assist trajectories as an example, the relation between orbital eccentricity and orbital inclination was analyzed.
为了保证冻结轨道的冻结特性，平面内轨道控制需要对半长轴、偏心率和近地点幅角都控制。
In order to guarantee the characteristics of frozen orbit, in-plane orbit control needs to adjust the semi-major axis, eccentricity, argument of perigee simultaneously.
讨论了143颗早型和125个晚型双星系统轨道偏心率与轨道周期间的关系。
In this paper, we discuss the orbital eccentricity distribution for 143 early-type and 125 late-type binary systems.
导航卫星一般采用近圆轨道，当卫星轨道偏心率或者轨道倾角接近于零时，利用GPS卫星开普勒轨道根数拟合卫星广播星历会出现一些问题。
When their orbit eccentricity or inclination are near zero, some problems may occur when the GPS Kepler orbit elements fitting method is applied to fit their broadcast ephemeris parameters.
由于钡星系统是由普通红巨星双星系统演化而来，因此钡星系统的轨道偏心率及周期的分布显示了经过质量吸积后双星系统的最终轨道特征。
As Ba star systems are evolved from G-K star systems, the distribution of orbital eccentricities and periods of Ba stars can show the final orbital character of binaries.
请算出该小行星轨道可能的最小偏心率的值。
Please find the minimum possible value of the eccentricity of the asteroid's orbit.
研究轨道倾角、轨道高度、GPS天线仰角和轨道偏心率等因素对多普勒频率搜索范围的影响。
The orbital inclination, orbital altitude, elevation of GPS antenna and orbital eccentricity were researched as the influential factors to doppler range.
并且根据卫星群偏心率与倾角综合的分离思想，讨论了两种策略，使得卫星群的构形可通过每个成员的轨道要素简单表出。
The satellites follow a combined eccentricity and inclination vector separation strategy, so that the group geometry can be expressed simply by the orbital elements of each member.
可忽视地球轨道的偏心率，自转，恒星自行和大气折射。
Please disregard the eccentricity of the Earth's orbit, self motions of the stars and all atmospheric effects.
研究小偏心参考轨道航天器编队飞行构形保持与重构控制的工程实现技术。
In this paper, the enabling technique of maintenance and reconfiguration control of spacecraft formation flying is studied.
可调节的偏心重锤经马达驱动传达到主轴中心线，在不平稳状态下，产生离心力，使物料强度改变在筛内形成轨道旋涡。
The adjustable eccentric weight can drive to the Central Line of main shaft through motor. Under the unstable state, it produces centrifugal force that makes raw material form vortex in the sieve.
可调节的偏心重锤经马达驱动传达到主轴中心线，在不平稳状态下，产生离心力，使物料强度改变在筛内形成轨道旋涡。
The adjustable eccentric weight can drive to the Central Line of main shaft through motor. Under the unstable state, it produces centrifugal force that makes raw material form vortex in the sieve.
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