They are converting metric measurements to U.S. equivalents.他们正将公制计量单位换算为美制计量单位。

a metric set度量集

The Soviet Russia went metric in 1918 as part of a programme of cutting ties with its old imperial Russian past.苏维埃俄国于1918年开始采用公制, 作为其切断与昔日沙皇俄国联系的规划之一。

We work in metric, not imperial.我们采用公制, 而不用英制。