411 REFERENCE · Wikibooks
English-Hanzi/Rate
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
A rate is a measurement of the speed that something changes.
速率 是 衡量 某事物 变化 的 速度。
411 REFERENCE · Wikibooks
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.