He ran it through MPC's orbit-projection software, which can tell how close an asteroid will come to Earth, and phoned Chesley to alert him of an impending collision.
他立即运行中心的轨道预测软件，计算小行星离地最近距离，然后打电话警告切斯利一场即将发生的小行星撞地球。
The GIS software is mainly applied to the department of Geography Information system. Its coordinate system is closely related with map projection.
地理信息系统软件主要应用于地理信息系统部门，所用到的坐标系与地图投影密切相关。
The paper introduced the hardware configuration, software design and practical application of the large screen projection system of Guangdong grid dispatching center.
介绍了广东电网调度中心大屏幕投影系统的硬件配置、软件设计和实际应用。
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