索引1、复合索引(where a and b)若是没有对a和a做单一索引,查询的时候为a;若是对a做单一索引,查询时候为b;若是对b做单一索引,查询时候为c;若是对a,b做复合索...
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It says, in either case in general, t of b-- and this is where I'm going to abuse notation a little bit but I can basically bound it by t, 12 steps plus t of b over 2.
我可以用一个,比12+t的数代表,这里有点不准确的地方,具体的步数依赖于奇数偶数,但是你们可以看到在两个case中。
The culture reacts much differently however to differences in kind where A is nothing like B and interacts with B unexpected ways.
然而,对于种类上的差异,其中 A 一点也不像 B,并以预料之外的方式与 B 交互,文化对此的反应非常不同。
Tip: Check your argument for chains of consequences, where you say "if a, then b, and if b, then c," and so forth. Make sure these chains are reasonable.
技巧:检查你论证中的事件链条,在你说“如果A则B,如果B则C”的地方,确定该系列事件能够合理的发生。
It's kind of like , where you had side A,side B and you just flipped it over when you wanted to change your mood so to speak.
VOA: standard.2010.06.18
It says, in either case in general, t of b-- and this is where I'm going to abuse notation a little bit but I can basically bound it by t, 12 steps plus t of b over 2.
我可以用一个,比12+t的数代表,这里有点不准确的地方,具体的步数依赖于奇数偶数,但是你们可以看到在两个case中。
Let's build this up. Let's see where this comes from, where these parameters a and b comes from. So, the first thing we're going to do is we're going to take our gas in our box, let's build a box full of gases here.
参数a和b有什么含义,首先,假设研究的气体,都在一个容器里,容器里充满了气体,这些是气体分子。
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