datum bench-mark水准原点;基准原点
bench-mark statistics[统计] 基准统计数字
bench-mark system水准网
bench h mark elevation水准点标高
bench-mark水准;水准点;基准点;台式光度计
bench-mark prblem翻译
bench-mark station参证站
Original bench-mark水平基点
bench h mark水准点;标准
N-COUNT（可数名词） A benchmark is something whose quality or quantity is known and which can therefore be used as a standard with which other things can be compared. 衡量基准
The truck industry is a benchmark for the economy.
卡车产业是衡量经济发展的基准。