And there is a very big difference between these two simplicities, even though on the face of it, they may at times look similar.
这两种简单性之间有很大的区别,尽管乍看起来,他们有时也许是相似的。
So, it's very hard to do it psychologically but at certain times you're in between and you're not going to get the benefit of that.
所以仅靠心理猜测去实施策略是非常困难的,但是有时候你会处在中间位置,你也不会从中获利。
The difference between ratio is a reward every certain number of times somebody does something.
比率强化意思是,间隔一定比例才给予奖励。
This was eventually taken out, and actually just for your interest, there was no overlap between the time when cocaine was in Coca Cola and lithium was in 7-Up, so there was a few years difference between those two times, but it's amazing to think about what does go into processed foods.
锂最终被去掉了,如果你感兴趣的话,可口可乐中含有可卡因,与七喜中含锂的时代,并没有交集,它们之间还差了几年,但是想一想加工食品里,会加入什么东西还是很令人吃惊的。
the winner is the person whose number is closest to 2/3 times the average The winner will win $5 minus the difference in pennies between her choice and that two-thirds of the average."
所选数字最接近2/3倍平均数人是赢家,赢家的奖金是5美元减去,所选数和平均数三分之二之差的百分数
Because the difference in the vector between two times is this vector.
因为两个不同时间点上矢量的差,就是这个矢量 ΔR
You can go to any one of these times more comfortable, less comfortable, somewhere in between, and the focus of these sections will be on the material cover this week as well as potentially the start of next week and with a focus on problem set 1, which is the second problem set, 0 index which will go out via PDF this weekend.
只要你乐意,上哪堂课都可以,这些课程不仅覆盖了本周的学习内容,也可能囊括了,下周要学习的知识,请大家把注意力集中到我们的第二本习题集--习题集1上,这周末会以PDF格式发布出来。
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