One major difference between electron affinity and ionization energy is that when we talked about ionization energy, remember ionization energy always has to be positive.
电子亲和能,与电离能之间最大的不同就在于,当我们提到电离能的时候,记得电离能总是正的。
What do you think is the biggest obstacle when people from other countries share each other's culture?
你认为来自不同国家的人们在彼此分享自己的文化时,最大的障碍是什么?
What is the goal or purpose ? of the study of politics and what is distinctive about Aristotle's approach ? to the study of political things?
研究政治的,目标与目的为何,亚里士多德学习,政治事务方法的,最大不同点为何?
What most sets the Greeks apart is their view of the world.
希腊人与其他民族最大的不同,在于他们的世界观
But where we disagree radically is on means.
我们最大的不同在于方法上。
What do you think is the biggest difference between living here and in Romania?
你觉得住在这里跟在罗马尼亚最大的不同是什么?
What is the most wonderful benefit of being able to speak two different languages?
能说两种不同语言的最大好处是什么?
There is a very big-- one of the largest clinical trials that the U.S. Government ever did was called the Women's Health Initiative, and there were several purposes built into this particular study, but what it did was it took post menopausal women and randomly assigned them to different dietary conditions.
有一个很大的,美国政府曾经做过的,一个最大的临床试验,叫做"妇女健康倡导计划",这项研究有几个特殊的目的,研究主要是将更年期的妇女,随机分配至,不同的饮食环境中
So, in particular, what we're going to do to find out what quantity q1 maximizes this profits for each choice of q2.
所以我们要算出来在不同的q2下,q1取什么值才能最大化利润
So that's one of the biggest differences.
所以那就是最大的不同点之一。
So that's a huge difference.
这是最大的不同。
Well, the main difference is that up until 20 or 30 years ago,
嗯,最大的不同是20到30年前,
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