In areas where river deltas inject organic material and dissolved trace elements into the sea, for instance, it's not clear how all of the intricately related processes will affect water chemistry.
例如，在有些地区，河流三角洲将有机物质和溶解的微量元素注入海洋，目前还不清楚所有这些错综复杂的相关进程将如何影响水的化学性能。
Contains all 70 trace elements found in natural sea water,...
含天然海水之所有70种微量元素。
Contains all 70 trace elements found in natural sea water,...
含天然海水之所有70种微量元素。
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