This category is within the scope of WikiProject China, a collaborative effort to improve the coverage of
China related articles on Wikipedia. If you would like to participate, please visit the project page, where you can join
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This category is within the scope of WikiProject Physics, a collaborative effort to improve the coverage of
Physics on Wikipedia. If you would like to participate, please visit the project page, where you can join
the discussion and see a list of open tasks.PhysicsWikipedia:WikiProject PhysicsTemplate:WikiProject Physicsphysics articles
This category is within the scope of WikiProject China, a collaborative effort to improve the coverage of
China related articles on Wikipedia. If you would like to participate, please visit the project page, where you can join
the discussion and see a list of open tasks.ChinaWikipedia:WikiProject ChinaTemplate:WikiProject ChinaChina-related articles
This category is within the scope of WikiProject Physics, a collaborative effort to improve the coverage of
Physics on Wikipedia. If you would like to participate, please visit the project page, where you can join
the discussion and see a list of open tasks.PhysicsWikipedia:WikiProject PhysicsTemplate:WikiProject Physicsphysics articles