- 准: standard; guideline; criteri ...
- 定位: fixed position; location; or ...
- 标记: tab; sign; stamp; peg; label ...
- 的: 4次方是 The fourth power of 2 i ...
- 定位标记: location marker; locationmarker; position mark; positioning mark; positioningmark; register mark; specific labeling; telltale
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