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。

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；

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。