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1·We analyzed the characteristic of carbon -free carbon paper eliminated with soluent mixed and established a method for developing the original writings.

针对利用无碳复写纸进行的犯罪活动，通过找出天那水消褪无碳复写纸的消褪特征，并建立相应的检验方法。

2·Mr. Obama's plan to curb carbon dioxide emissions, though necessary, will be far from cost-free, whatever his sunny speeches on the subject might suggest.

尽管奥巴马的二氧化碳减排计划是必要的，但这远不是免费的，无论他在这个问题上发表的充满希望的演讲可能会暗示什么。

3·Mr. Obama's plan to curb carbon dioxide emissions, though necessary, will be far from cost free, whatever his sunny speeches on the subject might suggest.

尽管奥巴马的二氧化碳减排计划是必要的，但无论他在这个问题上发表的充满希望的演讲可能会暗示什么，这远不是免费的。

4·For example, free access to data on carbon footprints might be a way for Mr Obama to counter environmental sceptics.

例如，对于奥巴马先生来说，碳足迹数据的自由使用权可能是对抗环境怀疑论者的一种手段。

5·Though their power is renewable and, on the face of it, carbon-free, there are lots of bad things about them, too.

尽管它产生的能源是可再生的，并且在表面上是无碳排放的，但还是有很多不好的方面。

6·Compared with free electrons, fossil fuels would be seen as ludicrously expensive and dirty, and so carbon emissions would plummet.

相比免费的电能，矿物燃料将被视为可笑的昂贵而肮脏能源，因此炭排放量将骤降。

7·South Africa is leading the effort to develop a new class of safe and simple nuclear reactor-not renewable energy in the strict sense, but carbon-free and thus increasingly welcome.

南非正率先努力开发一种新的安全而简单的核反应堆——严格意义上讲这并非可再生能源，不过它是无碳的，因此越来越受到欢迎。

8·But that needs to be open to all carbon-free technologies, not just the ones that the politicians like, so that the most efficient can prosper.

但是这样的要求就必须适用于所有的无碳技术，不仅仅局限于官员们喜欢的那些技术，使得生产效率最高的技术能够发展壮大。

9·And if cars switch from oil to electricity, the demand for power generated from carbon-free sources will increase still further.

如果汽车由石油驱动改为电驱动的话，对于碳素燃料所产生的电能的需求将会增长许多。

10·Environmentalists, on the other hand, blasted Obama's announcement, saying it was a step in the wrong direction and that the United States needed a quicker transition to carbon-free sources of energy.

而另一方面，环境保护主义者更是对奥巴马的决定进行轰炸，指出其努力方向是错误的。美国急需的是迅速转向无碳能源的开发。