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| Subject | Chinese | English |
| tech. | 北极圈 | North Polar Circle |
| agric. | 北极圈 | arctic (arcticus) |
| earth.sc. | 北极圈 | arctic |
| agric. | 北极圈 | Arctic Circle (circulus arcticus) |
| geol. | 北极圈 | Arctic Circle |
| ecol. | 北极圈冰层 | Arctic ice cap |
| earth.sc. | 北极圈带 | Arctic Regions |
| space | 北极圈气团 | arctic air |