美国航空航天局的火星探险号飞船在古谢夫陨石坑的哥伦比亚山探测到富含碳酸盐的石头。
Nasa's Mars Exploration Rover Spirit detected the carbonate-rich rocks in the Columbia Hills of Gusev Crater.
早些时候在空中对古谢夫盆地拍摄的图像，就像是在对人们大声宣布那里是一个古代湖床。
Earlier images of Gusev crater taken from the air seemed to scream with evidence of an ancient lake bed.
该工厂修理了飞机的三个引擎，加装电子和导航设备和升级了内部设施，阿列克谢-古谢夫说。
The plant repaired the plane's three engines, retrofitted electronic and navigation equipment and updated the interior, Alexei Gusev said.
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