It mainly introduces selected topic aims and meanings, study method in the writing course and study trends synopsis in today historiography field. 主要介紹本篇論文的選題目的和意義，以及在本論文寫(xiě)作過(guò)程中運用的研究方法和對于這一選題在當今史學(xué)界的研究動(dòng)態(tài)之簡(jiǎn)介。
Current trends of research for mechanical properties of metallic materials are described. 本文敘述了金屬材料力學(xué)性能近期研究動(dòng)態(tài)的某些方面。
Study Trends about Gazella subgutturosa的相關(guān)資料：
