结果表明：（1）以水温为主要分析指标，调查海区自上而下（0～500m层）可分为上匀和层、温跃层、中层冷水和下匀和层；
The results indicate that : ( 1 ) The water column ( 0 ~ 500m ) can be roughly divided into four layers , i. e. , the upper homogeneous layer , the thermocline , the middle cold water and the lower homogeneous layer .
匀和层