这个星型体系结构由中心的源存储库和工作于这个存储库的多个开发人员组成(参见图1)。
This star architecture is illustrated as a central source repository with multiple developers working around it (see Figure 1).
很多老的星表和参考源使用的是一个更早一点的标准历元，这个较早的历元按照贝塞尔年的开始-1950年建立起来的。
Many older catalogs and reference sources use an older standard epoch based on the start of the Besselian year 1950 - this epoch is called "B1950.0".
周启星， 梁仁禄，王新采用盆栽实验的方法研究了土壤外源汞对大豆幼苗生长发育的影响。
Pot experiment studies were conducted on soil treated with mercury to probe the effectiveness of the heavy metal on soybean seeding growth.
论述了星载sar的特点及固有缺陷，从有源和无源两个方面提出了几种不同的星载sar对抗方法，最后给出了结论。
The characteristics and the inherent flaws of spaceborne SAR are analyzed. Several spaceborne SAR countermeasures are presented from active and passive aspects. A conclusion is given in the end.
本文在北斗双星有源定位系统的基础上进行了三星无源定位的研究。
Basing on the Double star Active Positioning System, this article conducted the research on the Beidou Tri-star Passive Positioning System.
研究表明，对单星无源定位的理论和工程实现，尚需作进一步的研究。
The research results showed that the theory and engineering implementation of passive location by single reconnaissance satellite were need more investigation.
论述了星载合成孔径雷达（SAR）回波信号模拟源的一种实时实现方法和基于PCI总线与CPLD的硬件设计。
This paper introduces a real-time spaceborne SAR simulator and the hardware design based on the PCI bus and CPLD chip.
分包体制的星载数据系统与传统的PCM遥测遥控系统两者面向的数据源有很大不同。
The packet onboard data systems are different from traditional PCM telemetry and command systems in data sources.
被认为是它的点源模型有：太阳、超新星爆发、白矮星和脉冲星（告诉旋转的中子星）等。
Up to now, there are not definite source models of cosmic rays though they come from the Sun, supernovas' explosion, the white dwarfs and pulsars, et al.
针对单星测向定位中干涉仪设备复杂、卫星姿态测量要求高等不足，提出了一种基于多普勒变化率的单星无源定位方法。
Due to the complexity of the interferometers and high requirement of satellite attitude, a method of passive localization based on Doppler rate-of-change of single satellite channel is presented.
本文介绍了一种新的星载无源定位方法，即利用自旋卫星的高速旋转特性，用一维长基线干涉仪测向就可完成对地球表面地磁辐射源的近实时高精度定位。
A new passive localization technology of DF on satellite is given, which only requires one-dimension DF equipment. It's based on DOA information of the target in the different time.
对X射线数据的分析表明，点源与包含有中子星或黑洞(它们正从正常恒星吸走物质)的双星系统成协。
Analysis of the X-ray data shows that the point sources are associated with binary star systems that contain a neutron star or black hole that is pulling matter away from a normal star.
对X射线数据的分析表明，点源与包含有中子星或黑洞(它们正从正常恒星吸走物质)的双星系统成协。
Analysis of the X-ray data shows that the point sources are associated with binary star systems that contain a neutron star or black hole that is pulling matter away from a normal star.
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