It's something you'd expect to find in Lara Croft's mansion: a pentagon-shaped room projecting a 3-d virtual-reality model of an excavated 57, 000-square-foot fortress from the 10th century B.C..

这是你期望在古墓丽影中发现的东西：一个五角大楼形的房间投影出三维虚拟现实模型，挖掘一个公元前10世纪的57 000平方英尺的堡垒。

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You take two pi times the square root 85 of R over d and you find 1.85.

2π乘以R/d的平方根,得到1。

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Set D as non square factor positive integer.

设D是无平方因子正整数。

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to do sqrt, or square root-- no, I'm going to square root use sqrt, that's the name I'm using here-- square root a hundred different places in some piece of code. Without function, I'd have to copy that piece of code everywhere.

让我做一下准备,想象一下我要调用sqrt或者-,不，我会调用sqrt函数,这是我在这里用的名字，我得把这段代码到处复制。

麻省理工公开课 - 计算机科学及编程导论课程节选

Actually, it's more accurate to say that it's 95 percent BlackJack and 5 percent improvement, with a more inward-slanted, square d-pad that makes it considerably harder to accidentally hit the surrounding controls, and angled keys that offer an embedded numeric pad in the proper configuration (we appreciate what Samsung tried to do with the original BlackJack's every-other-key layout, but in practice, it just didn't work out).

ENGADGET: Hands-on with the Samsung ACE Mobile

How about a buyout offer from, say, the French conglomerate Schneider Electric S.A., owner of U.S. electrical-equipment maker Square D?

FORBES: Attractive And Available

Later this year, they plan to roll out a 9-screen, 3-D cinema and 1, 000 square meter coliseum.

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