田径运动需要高水平的专项技术和技巧。
Athletics requires highly specialized techniques and skills.
建筑材料、结构、设备等历史建筑保护专项技术的研究。
Research on special technology for historical building protection including building materials, structures, equipments, etc.
美国和澳大利亚也有稀土矿藏，但缺乏提取和冶炼的专项技术。
The U.S. and Australia have deposits of them but lack the expertise in extracting and refining the minerals.
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