There were half as many again as there were last time.
有一次我们有一个半月谁也没亲过谁一下。
This is nearly three times as many as in 1960, and half as many again as in 1990.
这个数字几乎是1960年的3倍,是1990年的一倍半。
Already many men had gone into the castle, but as yet none had come out again.
已经有许多人进了城堡,但到现在还没有一个人出来。
And I'll just point out here also, this is a conversion factor you'll use quite frequently -- many of you, quite on accident, will memorize it as you use it over and over again.
你们会经常用到,所以你们可能,会不小心记住它的值,但我们并不会在,任何考试中。
The other thing that we looked at, which I want to stress again and I'll stress it as many times as I can fit it into lecture, because this is something that confuses students when they're trying to identify, for example, different nodes or areas of no probability.
另外一个我们要考虑的事情,我想再强调一次,而且我以后会在课上强调很多次,因为它很容易让人混淆,这就是当你们在确认,节点或者零概率点时候。
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