[ 复数 benchmarks 第三人称单数 benchmarks 现在分词 benchmarking 过去式 benchmarked 过去分词 benchmarked ]
...证券组合; 跟踪误差; 相对有效边界 中图分类号: F 832. 5 文献标识码: A α [gap=656]Keywords: po rtfo lio; benchm a rk; track ing erro r; rela tively efficien t fron tier ..
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"his painting sets the benchmark of quality"
同义词： bench mark
以上来源于: WordNet
N-COUNT 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。
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