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The US space agency has released a "pre-solicitation" for what is expected to be a hotly contested contract to develop a spacecraft to orbit Mars and relay communications from the red planet back to Earth.
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2009年，香港特别行政区政府推出长者医疗券计划，旨在资助年满65岁的长者选用更符合自身需要的医疗服务。2015年10月5日，港大深圳医院成为内地首家可使用香港长者医疗券的试点医疗机构。，推荐阅读爱思助手下载最新版本获取更多信息
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