释义 |
低压槽 dīyācáomet. trough低压槽【气】trough低压槽[dī yā cáo]在同高度上低气压中心向外伸展的槽形部分。一般向南或西南方向延伸。(in meteorology) trough; extended trough-shaped sector of central low pressure at the same altitude, usu. extending southward or southwestward低压槽1. [Meteorology] a trough低压槽pressure trough; trough低压槽trough of low pressure低压槽low pressure trough低压槽pressure trough低压槽trough双向☞低压槽--槽--向斜 |