S&P 500 hit an all time high of 1527 in March 2000, and DJIA’s recent high was achieved in January 2002, where it closed at 11,723.

标准普尔500指数的最高点是2000年3月的1527点；道琼斯工业指数的最近的峰值出现在2002年1月，收盘的时候达到了11723点。

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In the first chapter, we discuss the fully graded algebras over discrete valuation ring with an algebraically closed residue field of characteristic p.

第一章中，我们研究了剩余域是代数闭域的离散赋值环上的完全分次代数；

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Set the Pen Tool (P) to Paths in the options bar, then draw a closed path to encompass the model as indicated in yellow.

选择钢笔工具（P），路径模式，画一条如图中黄线所示的封闭的路径将模特包住。

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