In the first part of the test, participants are asked to push the "e" key for either black faces or negative words and the "I" key for white faces or positive words.

测试的第一步，要求受试者看见黑人面孔或负面词汇时按“E”键，看见白人面孔或正面词汇时按“I”键。

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We notice that the value of E at r naught is negative, as it should be. It's a negative number.

我们主要到在r圈时E的值为负，和它本来的值一致，是一个负数。

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This logo might look like a simple letter, but don't be fooled: you can see a part of an elephant's trunk in the negative space inside the letter e.

这个标志看着非常简单，但是别被蒙了：你能看到大象的鼻子作为负形在字母e中。

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So, an electron has a charge of negative e, we've written here and the nucleus has a charge of positive e.

我们写在这，原子核带正e的电荷,我们看到作用力。

麻省理工公开课 - 化学原理课程节选

We notice that the value of E at r naught is negative, as it should be. It's a negative number.

我们主要到在r圈时E的值为负，和它本来的值一致，是一个负数。

麻省理工公开课 - 固态化学导论课程节选

And what we say when we talk about the delta energy is I E 2 that this is going to be equal to i e 2, or the second ionization energy, or we could say the negative of the binding energy of a 2 s electron in b plus.

那么我们说,Δ，E，应该等于，或者说第二电离能，也就是正一价硼中，2，s，电子的,束缚能的负值。

麻省理工公开课 - 化学原理课程节选

While some of the samples have tested negative for the rare strain of enterohaemorrhagic E. coli (EHEC), the results of other tests are still pending and expected later on Wednesday.

BBC: E. coli: Germany says worst of illness is over

"Royal Mail has experienced the negative impact of e-substitution, which is driving the structural decline in the traditional letters market, " Moya Greene said.

BBC: Royal Mail profits rise as parcels business grows

Members of the House Judiciary Subcommittee on Commercial and Administrative Law recently held a hearing on three of the bills, aimed at fixing the problem on behalf of state and local governments--which depend on sales taxes to support police, fire, and other crucial services--and calming fears about the negative effect of e-commerce on their tax bases.

CNN: Legislators debate proposals for e-commerce taxes