延怀盆地晚更新世发育湖相沉积。
There was lake development during late Pleistocene in the Yanhuai basin.
博格达山北缘以二叠系芦草沟组湖相油页岩为主要烃源岩。
The main hydrocarbon source rock in the The northern border of Bogd .
你能以湖为背景给我照张相吗？
Could you take a picture of me with the lake in the background?
风景美极了，你能以湖为背景给我照张相吗？
The view is fantastic, Could you take a picture of me with the lake in the background.
风景美极了，你能以湖为背景给我照张相吗？
The view is fantastic, Could you take a picture of me with the lake in the background.
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