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来源:雅诚德英语网
Glaciers are open systems, with snow as the system's input and meltwater as the system's main output.
冰川是开放系统,雪是系统的输入,融水是系统的主要输出。
Glaciers are open systems, with snow as the system's input and meltwater as the system's main output.
冰川是开放系统,雪是系统的输入,融水是系统的主要输出。