避免用手指和工具碰撞喷嘴面，以防止喷嘴面损伤或杂物、油质等阻塞喷嘴。
To avoid collision fingers and tools nozzle face, to prevent the nozzle surface damage or debris, such as obstruction of oil nozzle.
研究结果表明响应面法应用于碰撞吸能的结构优化问题上是可行的，具有提高计算效率，节省计算机时间等优点。
The results demonstrated that the response surface method in structural optimization of impacting energy absorption was feasible, and had merits of high computing efficiency and short computing time.
另一方面，如果你不确定这种“颜色碰撞”是否适合你，你完全可以穿一条糖果色或者明亮的中性色的裤子。
On the other hand, if you are not sure the "color blocking" trend suits you, wear a dress in a candy color or pair brights with neutrals.
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