就在这个时候,美国国家航空航天局决定通过拍摄黄石公园的照片来测试一些新的高空照相机。
Just at this time NASA decided to test some new high-altitude cameras by taking photographs of Yellowstone.
我们通过被计划的原型做了这个决定,并且不只是希望或者相信银弹。
We determined this through disciplined and planned prototypes, and not just hope or reliance on silver bullets.
好了,如果我们的年GDP差了1.5万亿美元,我们决定要通过支出填补这个差额,那么,我们将需要大约一年额外支出1万亿美元。
OK, if we have an annual GDP shortfall of $1.5tn and we decide to fill it by spending, then we would need approximately $1tn per year of additional spending.
People make really stupid decisions and so as you know in this course with P sets there are three axes that we look at when evaluating your code.
人们做了一个愚蠢的决定,在这个课程上,通过习题集,当执行你的代码的时候,有三个评估方面。
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