1. 米制的;公制的
Metric means relating to the metric system.

1. a system of related measures that facilitates the quantification of some particular characteristic

Synonym: system of measurement

2. a decimal unit of measurement of the metric system (based on meters and kilograms and seconds)

e.g. convert all the measurements to metric units
it is easier to work in metric

Synonym: metric unit

3. a function of a topological space that gives, for any two points in the space, a value equal to the distance between them

Synonym: metric function