基本解释[經濟學]時經差英汉例句雙語例句The basic framework of international time zones is that there is about one hour difference in solar time for every 15 degrees of longitude.國際時區的基本框架是經度每隔15度，太陽時就相差一小時。difference of longitude in time更多例句专业释义經濟學時經差