本文就这三个衍生物的研究进展作一简要综述。

This is a brief summary of these three derivatives.

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对目前有关光辐射（红外与激光）医疗机理的研究作一简要综述。

This paper gives a review if the therapeutic mechanisms of optical radiation(IR and laser).

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本文就高分子材料超声造影剂的制备及其应用研究进展作一简要综述。

The preparation and application of high molecular polymer ultrasound contrast agents were reviewed in this article.

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