1. The woman could use his metric ruler. 这个女子可以使用他的米尺。
2. Semantic similarity metric is a key technique in information retrieval. 语义相似性测度是信息检索中的关键技术。
3. Finally, $ Index is most useful as a point of comparison or a ranking metric, not as a standalone number. 最后，收入指数是最有用的作为起点比较或排名公吨，而不是作为一个独立的号码。
英英解释
n.
1. a function of a topological space that gives, for any two points in the space, a value equal to the
2. a decimal unit of measurement of the metric system (based on meters and kilograms and seconds)
3. a system of related measures that facilitates the quantification of some particular characteristic adj.
1. based on the meter as a standard of measurement
2. the rhythmic arrangement of syllables
