This is the earth. The green part is land. The blue part is sea. The white part is clouds. Our earth is very beautiful and interesting.
这是地球。绿色的部分是陆地。蓝色的部分是海洋。白色的部分是云。我们的地球很美，而且充满乐趣。
The section in blue is called the public identifier, the green part is the system identifier, which is a URI.
蓝色的部分是公有标识符；绿色的部分是系统标识符，它是个URI。
The section in blue is called the public identifier, the green part is the system identifier, which is a URI.
蓝色的部分是公有标识符；绿色的部分是系统标识符，它是个URI。
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