释义 |
国际日期变更线guójì rìqī biàngēng xiàn地球表面上的一条假想线,在地球180°经线附近,稍有弯曲,用作划分相连两日的界线。{International Date Line; Date Line; imaginary line on the surface of the earth that deflects a little while following the 180°meridian and serves as the division line between two adjacent dates;}也叫also日界线{rìjièxiàn}。 |