a calendar year短语¹⁰⁶¹⁰⁰⁺⁵ 基本例句 年,历年 According to two indicators soil moisture content and different season a calendar year could be divided into four periods: relatively stable period, recharge period, loss period and increased period; 根据土壤水分季节变化划分为土壤水分相对稳定期、消耗补偿期、亏损期和积累期； cnki