Right now, one key technological problem for solar-sail spacecraft lies in how to efficiently unroll solar sails in space.
目前，光帆飞船的一个关键性技术难题在于如何在太空中高效地展开太阳帆。
The design of the joints between cable and arch rib is a difficult, but key technological problem in the construction of tied arch bridge.
吊索与钢管拱连接节点的设计是系杆拱桥建设中的关键技术难题。
Constructing technological innovation system is a key problem for technology innovation, and is also one of the Frontier Problems in technology innovation research fields.
技术创新体系的构建是技术创新的关键问题，也是目前技术创新研究领域的前沿问题之一。
The improvement of permeability is the key technological approach to resolve the hard leaching problem of low grade argillic gold.
提高渗透性是解决低品位粘土型难浸金矿问题的主要技术途径。
This paper discusses the solder printing process technological key points and the common breakdown problem solution.
文章主要探讨焊膏印刷过程中操作技术要点和应注意的问题，以及一些常见故障的处理方法。
Thus a technological scheme and an applied case were provided for solving the key problem of corn and stalk harvesting at the same time.
为解决玉米穗茎兼收关键技术提供了技术方案和应用实例。
Thus a technological scheme and an applied case were provided for solving the key problem of corn and stalk harvesting at the same time.
为解决玉米穗茎兼收关键技术提供了技术方案和应用实例。
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