几年前，她在海洋和大气治理署的船上，在墨西哥湾，当从一个远程操作摄像机观看影像时，注意到了海床上较大的坑洞。
Years ago, she was on a National Oceanic and Atmospheric Administration vessel in the Gulf of Mexico looking at images from a remotely operated camera and noticed the large holes on the sea floor.
说明：在这张绚丽的影像中没有突然、明显的界限显示地球白天进入夜晚的经过，影像拍摄的是我们地球上空拍摄的海洋及云朵。
Explanation: No sudden, sharp boundary marks the passage of day into night in this gorgeous view of ocean and clouds over our fair planet Earth.
上世纪九十年代以来，我国也相继开展了数字影像地图制图技术研究开发工作，在测绘、土地、林业、农业、海洋等部门和行业都有不同程度的应用。
Since last 90s, our country began to research and develop the digital image map cartography technology, which is applied in mapping, land, agriculture, ocean, etc more or less.
应用推荐