dU=dq+dw Well from the first law, du is equal to dq plus dw, and I wrote down everything I knew at the beginning here.

第一定律“,前面我们已经,看到了。

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So what we've discovered from this relationship dq that du at constant volume is equal to dq v.

从这个关系式里我们发现,恒体积时的du等于恒体积时的。

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I suggested that there was a critical response to those issues that was somewhat negative, and I want to sort of remind you of that from W. E. B. Du Bois's review of Black Boy when it came out.

对于负面问题,有个关键评述，大家看一下,关于《黑孩子》的评论。

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Born in the northeastern Chinese city of Dalian, Du graduated from Central Saint Martins College of Art and Design in London.

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Combined with nylon (a Du Pont invention from 1939), Spandex allowed the production of tights with no garter or stocking belt, which in turn meant designers like Mary Quant could take the hemline of the skirt way up.

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On stage 16, the riders must negotiate the legendary quartet of Col de Peyresourde, Col d'Aspin, Col du Tourmalet and Col d'Aubisque on a 196km ride from Bagneres-du-Luchon to Pau.

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