The last glacial period is divided into two stadial stages with an interstadial stage.Evolution of lakes of the source area during the Quaternary went through three stages.
黄河源区期可划为3期,即末期、倒数第二期、倒数第三期,末期又可为2个阶。
The last glacial period is divided into two stadial stages with an interstadial stage.Evolution of lakes of the source area during the Quaternary went through three stages.
黄河源区期可划为3期,即末期、倒数第二期、倒数第三期,末期又可为2个阶。
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