现已确定有四种可能的结果。

Four possible outcomes have been identified.

《牛津词典》

这两个选项有四种可能的组合

These two options lead to four possible combinations

youdao

它的四种可能输入对应于笛卡尔图的四个点。

Its four possible inputs correspond to four points on a Cartesian graph.

youdao

Because it takes three units where there's only four choices at each position to have at least 20 unique combinations.

因为每个位点上仅有四种可能性,只有采用三个碱基一组,才能取得至少二十种不同的组合方式

耶鲁公开课 - 生物医学工程探索课程节选

It's only got one of four possible choices at each position.

每个位点上都只有四种可能性

耶鲁公开课 - 生物医学工程探索课程节选

x 4 x 4--possibilities, because I could have here, here, , , - 4 x 4 = 16.

x4x4种可能性,因为这有AGCU四种,这也是四种,4x4=16.

耶鲁公开课 - 生物医学工程探索课程节选