- reference peg
- reference stake
- 基准: datum standard; criterion; r ...
- 椿: Chinese toon tree of heaven ...
- 基准: 1.[测量学] (测量时的起算标准) datum2.(泛指标准) standard; criterion; reference; basic standard◇基准点 reference point; datum point; 基准色 reference colours
- 基准；基准面: datum
- 基准的基准: reference of reference
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