The Japanese space agency, JAXA, is actually testing the idea, using special heat-resistant paper, another of Toda's plane designs, and a Mach 7 wind tunnel.
日本的宇宙航空研究开发机构(JAXA)正在实验这一想法。该机构利用特制的耐高温纸，采用户田拓夫另一个飞机设计，在一处7马赫的风洞进行测试。
Comprehensive analysis and research on the theory and practice of water use efficiency in irrigation district is conducted by using static plane and dynamic space models.
用静态平面和动态空间两种模型对灌区水资源利用系数进行了理论和实践的综合分析研究。
On the basis of obstruction information on a routing plane, this router has a high efficiency in time and and space by using the heuristic technique in artificial intelligence.
这个算法以布线平面上的障碍信息为基础，采用了人工智能中的启发式搜索技术，时空效率很高。
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