The Duncan model parameters of the base material of the earth dam body of Xiashan reservoir and the achievements of both the field and indoor are presented.

同时还提供了坝体、坝基材料现场和室内物理力学指标试验的成果。

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"It's an unsustainable model, " says Duncan Niederauer, Goldman's managing director for equity derivatives.

FORBES: Fear, Greed And Technology

In contrast to Mr Duncan Smith, his private office has been a model of efficiency.

ECONOMIST: Bagehot

Forward Tim Duncan, drafted in 1997, is a role model both on and off the court and has twice been named the league's MVP.

FORBES: Magazine Article