对这一双重取向的探究，将构成一个观察明清民间社会变迁与过渡性社会群体角色转型的深度历史透视点。

Researches on the double trend will make up of a deep historical perspective point to the vicissitude of rural society and the conversion of the role in the metabolic society.

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但如果你将所有这些内容作为课程的核心，那么你是在为了课程的广度牺牲其深度，并且你只会走马观花的扫过这几个世纪的历史。

But if you make this context the core element in the curriculum, you are sacrificing depth for breadth, and you will end up with a superficial gallop through the centuries.

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纵观海啸预警系统的历史，其警报纯粹是建立在地震信息的基础之上，譬如对震级、位置和深度的估计。

Throughout most of the history of the tsunami warning system, the warnings were based purely on the earthquake information-our best guess for the magnitude, location and depth.

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Cash was a great journalist, intellectual historian in his own right, deeply critical of his beloved South.

卡什是个杰出的记者,同时也是个卓越的历史学家,他对自己挚爱的南方进行了深度批判

耶鲁公开课 - 美国内战与重建课程节选