一些人提议用信用违约互换的价格来替代公司和主权信用评级，但其同样也会扩大经济波动。

Some suggest replacing corporate and sovereign ratings with credit-default-swap prices, but these too can be procyclical.

youdao

从燃气的互换性以及燃烧特性参数等方面对水煤气作为原油输运加热炉替代燃料进行了可行性分析。

The feasibility of changing natural gas into water gas was discussed in aspects of flaming gas exchangeability and combustion characteristic parameter.

youdao

So and are interchangeable in a sense that appears where would appear in RNA and appears where would appear in DNA.

某种意义上和是可互换的,在RNA中以U替代了T,在DNA中以T取代了U

耶鲁公开课 - 生物医学工程探索课程节选