Conclusions Adjuvant chemotherapy containing paclitaxel can improve the disease-free survival of breast cancer with HER-2 positive, especially for the patients with er and pr negative.

结论含紫杉醇类药物进行术后辅助化疗能增加HER - 2阳性乳腺癌患者无病生存获益，尤其是对ER、PR均阴性且her - 2阳性者。

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Lobbying PR, as a part of public relations (PR), is a series activities which, through propaganda to improve image and gain public support, reach the PR goal.

游说公关作为公关活动的一部分，是通过游说者的宣传，从而改变形象，获得目标公众支持，以顺利实现自己的公关目标的活动。

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The spores of hyperparasitic Streptomyces strains PR and F46 were irradiated with UV light to improve the control effects against plant diseases.

本研究以重寄生链霉菌PR 和F46 为出发菌株，以靶标病原菌为指示菌，以紫外线为诱变因子，对它们进行了诱变改良研究。

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