In the current situation, I didn't want a prototype, though.
但在目前，我不需要原型。
2
According to current safety situation of recreation facilities in China, solving the key and difficult points by virtual prototype technology was suggested.
根据目前国内游乐设施安全问题的实际情况，提出了应用虚拟样机技术解决该问题的重点和难点。
3
For the design of desilting basin, the reasonable operation and prototype observation design should be offered according to the river sediment situation and pivot operation condition.