The Dadiwan is one of the important cultural ruins of the early intermediate period of the Neolithic Age and one of the centers of prehistory archaeology in China.

大地湾遗址是我国新石器早中期一个重要的文化遗址，它是我国史前考古文化中心之一。

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China and India had intermediate five-year period prevalence rates of 16.2 and 23.1 per 100 000, respectively.

中国和印度五年期患病率居中，分别为每10万人16.2例和23.1例。

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The timer then opens the lower valve for a fixed period of time, permitting the - plastic powder to discharge from the intermediate chamber.

定时装置随后开启下面的夹管阀并持续一段固定的时间，让塑料粉末从中间罐腔中排出。

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Once licensed, teen drivers must go through an intermediate stage for a set period that limits unsupervised driving at certain times, with most states limiting the number of non-family-member passengers and imposing other restrictions.

FORBES: What To Do About The Sudden Surge In Teen Traffic Deaths