N an ordinary consisting of a diagonal cross on a shield X形十字 [heraldry]
ANALYSIS: Are the Oceans Getting Saltier?
分析家：难道海洋在越来越咸么？
Below this depth, there is an abrupt shift to colder, saltier water.
在这一深度以下，水陡然变得更冰冷，咸度更大。
They found signs that in some years the waters were warmer or saltier than others, due to increased evaporation or reduced precipitation.
他们发现，某些年份的海水比其它年份更加温暖或盐度更高，其原因是蒸发量的增加或者降水量的减少。
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