英日字典: cross_hair
The cross_hair has 1 Senses.
- cross wire, cross hair
- either of two fine mutually perpendicular lines that cross in the focus plane of an optical instrument and are use for sighting or calibration; "he had the target in his cross hairs"
- 光学機器の焦点面で交差し、観察または測定に使用されるお互いに直角に交わった2つの細かい線のどれか
返回 →