中国东部20世纪20年代持续性夏季干旱的数值模拟及成因分析 (IMAGE) Science China Press Caption 图1 1922~1932年夏季环流场距平. (a)全强迫试验; (b)自然强迫试验; (c)人为强迫试验; (d)由线性回归方法得出的内部变率 Credit ©《中国科学》杂志社 Usage Restrictions Use with credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.