Salinities are higher in the tropics due to high evaporation rates. 在热带地区，由于蒸发速率大，海水盐度较高。
This suggests the possibility that the middle phase may not be of a single homogeneous structure for all salinities at which it exists. 这表明对于所有的盐度中间相就像它存在的一样可能不是一个单一均匀结构的可能性。
