注上星号的河流长度表示这是许多测量资料的平均值。

When the length of a river is followed by an asterisk, it is an average of multiple information sources.

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注上星号的河流长度表示这是许多测量资料的平均值。

When the length of a river is followed by an asterisk, it is an average of multiple information sources.

youdao