This article summarized the high polymer microballoons in the medical engineering application, introduced the magnetic high polymer microballoons emphatically.

本文综述了高分子微球在医学工程中的应用，其中着重介绍了磁性高分子微球。

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The rest of the vertical column is made from a material called syntactic foam - a solid made mostly of hollow "microballoons" - giving it enough buoyancy to float back up.

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