当我到达密西西比河位于北明尼苏达州的源头的时候，当时一个食杂店的店员很肯定的告诉我，说比起出发点，现在的位置离终点更近一些。
When I reached the Mississippi River at its source in northern Minnesota, a grocery clerk made sure to inform me that I was closer to the finish than the start.
Salinger从宾西法尼亚车站出发：（书中）在做出不讲“我在哪里出生”和“我的倒霉童年是个什么样子”的承诺后58页的位置，Holden Caulfiled从那个火车站出来，并走向电话亭。
Salinger started with Pennsylvania Station — 58 pages after promising not to tell “where I was born, and what my lousy childhood was like, ” Holden Caulfield alights there and heads for a phone booth.
本文从工程实际出发，分析了影响电液位置伺服系统精度误差的来源，并对各主要因素作了定量的分析计算。
This paper analyzes the sources of effecting the error of the accuracy in electrohydraulic position servo system, and carries out quantitative analysis and calculation to main factors.
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