介绍使用光学显微镜观察轻质碳酸钙晶体的方法。

The method to observe the precipitated calcium carbonate crystal with optical microscope is simple and direct.

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介绍使用光学显微镜观察轻质碳酸钙晶体的方法。

The method to observe the precipitated calcium carbonate crystal with optical microscope is simple and direct.

youdao