The Great Wall of China is the only man-made structure visible from space.
中国的长城是从太空中用肉眼能看见的唯一人工建筑。
Despite its length it is not, as is sometimes claimed, visible from space.
尽管长城很长，但不像有时人们说的那样从太空里能看见它。
The Great Wall of China is not visible from space.
太空中看不到中国的长城。
It was visible along a roughly 250 km-wide (155 miles) corridor, U. S. space agency NASA said.
NASA称可见区域是一条宽度约为250千米（155英里）的狭长地带。
Undertook buildup to type of geographical space data, supportive geography space is visible.
对地理空间数据类型进行了增强，支持地理空间可视化。
Undertook buildup to type of geographical space data, supportive geography space is visible.
对地理空间数据类型进行了增强，支持地理空间可视化。
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