研究小组估计他们出错的机会小于万亿分之一。

The team estimates that the chance of their being wrong is less than one in a thousand trillion.

youdao

此研究能够解释大爆炸后第一万亿分之一秒内所发生的事。

The research could explain what happened in the first trillionth of a second after the Big Bang.

youdao

即一万亿分之一特斯拉，特斯拉是磁感应强度的计量单位。

The tesla is the unit that defines magnetic field strength.

youdao

And carbon 14, 6 again and it has 8, and it is found in vanishingly small amounts, 10 10 to the minus 12 or part per trillion.

碳14，6个质子，8个中子，它的存在是非常微小的，几乎趋于零，万亿分之。

麻省理工公开课 - 固态化学导论课程节选