差自 meaning in Chinese

differential rotation

The spreads between the federal funds rate and the prices charged by banks to borrow from each other have widened dramatically since early november ( see chart )
联邦基金利率和银行间拆借利率之间的利差自11月初以来大幅增加。
On the back of improved market sentiment , however , the rate differential returned to negative territory since mid - november and once widened to - 76 basis points on december 9
其后市场气氛有所改善，息差自十一月中起再次回到负数水平，并于十二月九日一度扩阔至负76基点。
8 . a general estimator for adaptively robust filter is developed , which includes the estimators of classical kalman filter , adaptive kalman filter , robust filter , sequential least squares ( ls ) adjustment and robust sequential adjustment
针对观测值粗差和载体机动误差，提出了抗差自适应kalman滤波的新算法，并对该算法作了进一步的改进。