In recent years, the peace and security situation in Africa has kept improving and steady progress has been made in regional cooperation and its integration process.
近年来，非洲和平安全形势不断改善，区域合作和一体化进程稳步推进。
This paper presents recent progress in research and development on iron aluminides as high - tech structural materials, including main situation in both fundamental research and alloy application.
本文介绍了近年来在高技术结构材料铁铝化合物的研究和开发方面所取得的进展，包括理论研究和合金应用两方面的主要情况。
According to the research main result and latest progress in recent years, comment the general situation of identification and appraisal of mulberry germ plasm resources of shandong province.
根据研究的主要成果及近年来的最新进展，对山东省桑树种质资源的鉴定与评价研究概况进行了述评。
In recent years, the peace and security situation in Africa has kept improving and steady progress has been made in regional cooperation and its integration process.
近年来，非洲和平安全形势不断改善，区域合作和和一体化进程稳步推进。
In this paper, the present situation and a series of recent progress on wear resistant metal materials in …
本文概述了国内外耐磨金属材料领域研究开发的现状及取得的一系列新进展。
In this paper, the present situation and a series of recent progress on wear resistant metal materials in …
本文概述了国内外耐磨金属材料领域研究开发的现状及取得的一系列新进展。
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