Simulation of the erection procedures of the cable domes is one of the key engineering problems. 索穹顶结构的成形和施工模拟分析是该体系的基础问题。
The access to cheap computing power has permitted scientists to work on many of the hard problems that are fundamental to making robots practical. 为了让机器人成真，科学家必须解决许多困难的基础问题，而便宜的运算能力提供了不少帮助。
