DictionaryForumContacts

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to phrases
sensible horizon
avia. 合理地平线; 测者真地平
space 视水平面; 感觉地平线
tech. 天文地平; 感觉地平圈; 视地平圈; 视地平; 地面真地平
sensible horizon: 1 phrase in 1 subject
Technology1