To prove that factor a has no effect whatever on outcome b may be important in the sense that it refutes a hypothesis.
证明因素a对结果b没有任何影响可能是重要的，因为它驳斥了一个假设。
The hard volcanic stone was a resource that had been in great demand for many years, at least since the rise of the Olmecs (a people who flourished between 1200 and 400 B.
坚硬的火山岩是一种多年来需求量很大的资源，至少从奥尔梅克人（一种生活在公元前1200年至400年之间的民族）崛起以来是这样。
After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.
听到问题后，必须从A、B、C、D四个选项中选出最佳选项。
For each of them there are four choices marked A, B, C and D. You should decide on the best choice and mark the corresponding letter on Answer Sheet 2 with a single line through the centre.
每题都有对应标记的A、B、C和D四个选项，请选择最佳选项并在答题卡2的相应字母中间划横线。
Reverse spelling (crumb for crum, a word in which b has no justification) is also a trivial mistake.
反向拼写（crum 拼成 crumb，b在这里没有理由存在）也是微不足道的错误。
A vaccine may also give us passive immunity by providing B cells taken from an animal or a human to play the same role.
疫苗也可以通过提供取自动物或人身上的B细胞来发挥同样的作用，从而使我们获得被动免疫。
Therefore the regular expression A*B will match the strings AB, AAB, AAAB, or any other string starting with an A and ending with a single B.
因此，正则表达式 A*B将与字符串AB 、AAB 、AAAB或任何其它以 A 开头并以单个 B 为结尾的字符串相匹配。
"I'll give you four pennies for your A-B-C book," said a ragpicker who stood by.
“我给你四便士买你的识字课本。”一个站在旁边拾破烂的人说。
In the case of France, there is the work of a brilliant military engineer called Vauban, v-a-u-b-a-n.
至于法国，这里有一位杰出的军事工程师的作品，工程师名叫 Vauban，v-a-u-b-a-n。
Geppetto makes Pinocchio a new pair of feet, and sells his coat to buy him an A-B-C book.
杰佩托给皮诺乔做了一双新脚，把他的外套卖给他买了本识字课本。
The whole system is a B/S prototype with a nicer interactive interface.
整个系统为B/S框架，具有良好的人机交互界面。
Only a few (A-B InBev's (BUD) Carlos Brito, for one) are true citizens of the world.
但是只有极少数人(百威英博(BUD)的薄睿拓便是其中之一)才是真正的世界公民。
Rgba (r, g, b, a) - (r, g, b, a are decimal Numbers).
rgba (r,g,b,a)- (r, g, b, a是十进制数)。
Observe that system a sends a small data packet to system b, and waits for a response packet before granting or denying the login request.
可以看到系统A向系统b发送了一个小数据包，然后等待响应包，已决定同意或拒绝登录请求。
You still have a root node, A, which points to a node B to the left and another node B to the right.
您仍然有一个根节点A，它从左边指向一个节点B，从右边指向另一个节点 B。
Disney's preview material on the game paints a dark yet familiar picture of a b-lister.
迪士尼的游戏预告片段描绘了一幅黑暗却又熟悉的二线明星画面。
These kinds of incremental changes are differences in degree: a is like b, but a little more complex.
这些种类的增量更改是程度上的差异：a像b，但是稍微复杂一点。
So Elizabeth and I had to come up with a Plan B. a would have been, we were actually pretty happy about our solution.
于是，我和伊丽莎白制定了计划b，虽然计划B一点也不如计划A那么有趣，我们还是为我们的方案感到高兴。
Figure 3: Performance TAB shows you a letter grade (a, b, c, d, f) and a percent grade (1-100).
图3：性能标签使用字母(A,B,C,D,F)表示等级以及当前等级(1- 100)。
B in fact, it's even a question whether a is a, but it's certainly not b, right? This much we know. In the grammatical sense there is no sort of mystification about the metaphor.
实际上，人们甚至对A是不是A都有疑问，但肯定不是，是吧，我们都知道这点，而从语法的角度来看，并没有像暗喻一样的神秘化。
For example, let us consider a SOAP message going from a service client to a service provider through Intermediaries a and B (see Figure 2).
例如，我们来考虑这样一条SOAP消息，它从一台服务客户机经由中介体a和b传送到服务提供者(请参见图2)。
A so this is taking a solution of a, in one container, a solution of B in another the container.
所以就是在一个容器中有溶液，溶液B在另一个容器中。
That's especially so if (a) you're a workaholic or (b) you constantly receive (and accept) more work than you can handle.
如果你是个工作狂或者经常被委派(以及主动接受)超出个人能力的任务，情况更是如此了。
Responding to a call for help, a B-52 bomber attacked the first 30 or so vehicles in the column with a single, historic pass.
收到求救信号，一架B-52轰炸机用具有历史意义的单次投弹，炸毁了队伍前面的约30辆装甲车。
B a metaphor is what we call a poetic lie. Everybody knows a is not b.
隐喻就是我们所指的诗化的谎言，人人都知道A不是。
A number of studies have tried and failed to find a benefit, like a recent one that randomly assigned 5, 442 women to take either a placebo or a B-vitamin combo.
大量的试验试图表明它的好处，但都失败了，就像最近的一次研究，5,442名妇女被随机分配服用安慰剂或是维生素b。
A two-person project, persons a and B, has only one communication link.
一个两人项目，A和B，只有一个沟通连接。
Sometimes you want to depict a BPEL process that is dependent on another BPEL process, for example: A invokes B as a service.
有时候会希望描述依赖于其他BPEL流程的 BPEL 流程，例如：A 将B作为服务调用。
"It is the equivalent of the difference between getting an a and a b," said Karpinski, who will present her findings this week to the annual meeting of the American Educational Research Association.
卡尔平斯基说：“这种差别相当于成绩为A和B的区别。”她将于本周在美国教育研究会年度会议上发表该研究成果。
For example, if metric B depends on metric a, then metric a cannot depend on metric B.
例如，如果度量b依赖度量a，则度量A一定不能依赖度量B。
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