《Programming Abstractions in C》学习第70天，p254-p257总结，总计4页。

一、技术总结

1.minimax strategy(极小化极大算法)

p255, This idea–finding the position that leaves your opponent with the worst possible best move–is called the minimax strategy because the goal is to find the move that minimizes your opponent’s maximum opportunity。

二、英语总结

1.ambiguity是什么意思?

答：

(1)ambiguity < ambiguous。

(2)ambiguous: ambi-(about, around，与…有关的) + agere(drive, lead, act)。adj. having more than one possible meaning。

2.rationally是什么意思？

答：

(1)ration > rational > rationally。adv. in a way that is based on reason and clear thought, rather than emotions(理性地，合理地)。

(2)ration: *re-(to reckon, think)。c. the mental process of reasoning; fixed allowance of food(ratio)。

3.accommodate是什么意思？

答：ad-(to) + com-(intensive prefix，用于强调) + modus(*med, to appropriate)。vt. make fit for。p257, you must modify the approach used in the nim program to accomodate the following extensions。

三、其它

四、参考资料

1. 编程

(1)Eric S.Roberts，《Programming Abstractions in C》：https://book.douban.com/subject/2003414

2. 英语

(1)Etymology Dictionary：https://www.etymonline.com

(2) Cambridage Dictionary：https://dictionary.cambridge.org

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