正是

This is the background of this research work.

本文的研究工作正是在这种背景下提出的。

This is the background of the dissertation.

本论文的工作正是在这样的背景下产生的。

The backslash character provides a good example of the multiple-parser issue.

反斜线正是必须考量多层次过滤的良好例子。

We found that it is the effect of odd-order term of f which describe the total energy collocation between forward wave and backward wave that causes the difference of modulation instability between normal dispersion region and abnormal dispersion region.

第三，根据增益谱的比较，我们从色散关系式中看到了产生这种变化的原因。正是由于存在f奇次项的影响而导致了这种在正常色散区和反常色散区变化趋势的不同。

I consider gold's backwardation as a leading indicator to a dramatic increase in prices.

我认为黄金的现货溢价正是黄金价格显著上涨的一个领先指标。

"The two presidents agreed that the two delegations should work on a sanctions resolution in New York, and that's what we're doing," said Mr Bader.

巴德说："两位总统同意，双方代表团应当在纽约就一项制裁伊朗决议展开合作，这正是我们在做的。"

The Badger smiled warmly at him.'That's just what I say,'he replied.

獾温和看著他的微笑："这正是我要说的。"

Exactly,' said the Badger; 'that is my point.

"对，"獾说，这正是我想到的。

For Bainbridge, adolescence is less about achieving sexual maturity than about developing a mind capable of negotiating the psychological and social landscape that makes human life so different from that of other animals.

在布莱恩看来，青少年阶段的意义不只是到达性成熟，更重要的是形成一个有能力处理心理和社会问题的大脑。这正是人和其他动物不一样的地方。

It was on such a miserable morning that I visited my friend Sherlock Holmes at his home 221B Baker Street.

正是在这样一个令人不快的早晨我来到福尔摩斯位于贝克街221号乙的家中拜访我这位朋友。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！