The two level atom′s decoherence is suppressed when the time evolution properties of an external driving field satisfy certain conditions.

当外加驱动场的演化规律满足一定的条件时，可使两能级原子的消相干被消除。

youdao

It will level the playing field for U. s. auto companies and workers.

它将为美国汽车公司和员工打造出公平的竞争环境。

youdao

The agreement does help level the playing field among auto makers, likely helping the U. S. auto makers better compete globally.

这项协议确实有助于在汽车制造商中创造一个相对公平的竞争环境，有利于美国汽车制造商参与全球竞争。

youdao

That would distort the market's level playing field, he argued.

BBC: EU debate: Conservative MEP deplores 'pitbull UK' image

So it needs to be put in the hands of independent scientific opinion, with every international bowler's action examined so that there's a level playing field.

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"I would've liked more time on the bike but most people will be saying the same thing so from that point of view it's a level playing field, " said Laverty.

BBC: Michael Laverty