- standard-record
- 达到标准: scratch
- 的: 4次方是 The fourth power of 2 i ...
- 达到标准: be up to the standard; come up to the standard; reach the standard; up to par; up to the mark; uto the standard
- 合格, 达到标准: up to the standard
- 未达到标准: below the mark
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