The sorts, research and application situation of the ammonia synthesis catalyst were described. The prospect and direction of development were pointed out.
阐述了氨合成催化剂的种类、研究和使用概况，指出了氨合成催化剂的发展前景与开发方向。
This paper summarizes the main reference families and DNA molecular marker's selection, and the research situation of genetic linkage map and its development prospect on sheep.
本文对绵羊的主要参考家系、构建遗传连锁图的分子标记的选择、绵羊的遗传连锁图的研究现状以及展望进行综述。
The research situation in aboard, development trend and application prospect of unencumbered environment artificial reality were analyzed.
分析了无障碍环境式人工现实技术在国外的研究状况、发展趋势和应用前景。
The research situation in aboard, development trend and application prospect of unencumbered environment artificial reality were analyzed.
分析了无障碍环境式人工现实技术在国外的研究状况、发展趋势和应用前景。
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