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- Through comparison, it shows that at the same value of frequency and size, the far field of hexagonal piston is more uniform than that of circular piston. 结果表明，与圆形、方形活塞的辐射远场相比，在声波频率、活塞面积相同条件下，六边形活塞声源的辐射远场相对比较均匀。
- Based on Reily-integration, the sound pressure distribution and directivity formula of hexagonal piston's radiant far field are calculated out.And the directivity formula is simulated. 摘要利用瑞利积分，计算了六边形活塞声源辐射远场的声压分布以及指向性公式，并对指向性公式进行仿真研究。
- Radiant far field of hexagonal piston sound source 六边形活塞声源辐射远场研究
- All the apprentices rushed to help fit the piston. 徒工们都跑过来帮助装活塞。
- Get lathe No.9 set to turn the new piston. 把九号车床调好来车这个新活塞。
- The piston seems ok. Maybe something else is wrong. 活塞似乎没问题。可能别的什么东西坏了。
- hexagonal piston 六边形活塞
- Let's get the lathe to turn the new piston. 咱们用车床车[加工]新的活塞吧。
- A machine-woven net fabric with hexagonal meshes. 六角网眼纱，珠罗纱机器织的有六角形网眼的网纱
- The piston froze in the cylinder. 活塞冻牢在汽缸里。
- Hexagonal snowflakes are well known to most of us. 呈现六角形的雪花,相信大家都耳熟能详。
- The piston is reciprocating inside cylinder. 活塞在汽缸内部往复运动。
- Containing a hexagon or shaped like one. 六边形的含有一个六边形或六边形状的
- Large hexagonal space for more tour free baby. 超大的六角形空间让宝宝更加畅游无阻。
- Tell the foundry to cast another piston. 告诉铸铁间再铸一只活塞。
- Smooth. HN : Hexagonal Network. H : Homogeneous. 光滑。HN:多边形网纹龟裂。H:均匀。
- WHY do honeycombs have hexagonal cells? 为什么蜂窝的形状是六边形的呢？
- The steam-engine piston makes a cyclic motion. 蒸汽机活塞做往复运动。
- The hexagon circumscribed the square. 六角形外接正方形。
- The piston moves by steam pressure. 活塞在蒸汽压力下运动。
