问题描述：
第一个in which的 which是指代type吧 后面的which是指代water对么
The pigmentation of a pearl is influenced by the type of oyster in which it develops and by the depth,temperature,and the salt content of the water in which the oyster lives.
The pigmentation of a pearl is influenced by the type of oyster in which it develops and by the depth,temperature,and the salt content of the water in which the oyster lives.
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