To analyze the features of the large-size asphalt mixture and the mechanism of strength formation and make a research on the gradation design of it.
分析了大粒径沥青混合料的结构组成特性和强度构成机理，对大粒径沥青混合料的配合比设计进行研究。
Conclusion: The molecular mechanism of tumor angiogenesis needs to be studied truly and completely. Research on tumor angiogenesis inhibitors provides a new and wide prospect for treating tumor.
结论：肿瘤血管生成的分子机制还需要真正全面了解，而肿瘤血管生成抑制剂的研制为肿瘤治疗提供了新的更为广阔的前景。
Wheeled mobile mechanism is a steady and fast mobile mechanism but obstacle capability, so improving its performance on obstacle-navigation is a research highlight all the time.
轮式移动机构向来以平稳、快速见长，但越障性较差，故提高其越障性能一直是人们研究的重点。
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