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- Based on the analysis of the failure cause of piston packing ring,air valve and unit pipeline vibration,the methods to solve are proposed. 本文在分析了由活塞密封环、气阀及机组管道振动引起压缩机产生故障原因的基础上,提出了相应的解决办法。
- At the same value of frequency and size, the directivity of quadrate ring piston is sharper than that of quadrate piston. 在同一声波频率以及相同尺寸的情况下，方环活塞声源要比方形活塞声源的远场指向性更尖锐。
- Put a coloured split ring on and make a note of the colour in order to identify them in the main aviary. 给他套上一个有色开口的脚环，并做好记录是为了在大型养殖场中鉴别他们。
- The methods to realize left-handed medium are reviewed, including combination of split ring resonators (SRRs) with thin metal wires, and those beyond SRRs. 本文从理论构想和实验两个方面对左手材料做了详细的综述，围绕负折射频率从微波到近红外的研究进展这一主线，具体介绍了实现左手介质的方法。
- The methods to realize left-handed medium are reviewed,including combination of split ring resonators(SRRs) with thin metal wires,and those beyond SRRs. 本文从理论构想和实验两个方面对左手材料做了详细的综述,围绕负折射频率从微波到近红外的研究进展这一主线,具体介绍了实现左手介质的方法。
- In this paper, the radiation pressure and directional formulation are calculated by use of Reily-integrate, The directivity of radiated sound field of quadrate ring piston is analyzed. 摘要利用瑞丽积分，计算了方环活塞声源远场的辐射声压分布以及指向性公式，并对辐射声压的远场指向性进行了分析；同时，与方形活塞声源的指向性作了对比。
- Double-acting PTFE slide ring piston seals 双冲程PTEF滑动环活塞密封
- Double-acting polyurethane slide ring piston seals 双冲程聚亚胺酯滑动环活塞密封
- The old farm has been split up into house lots. 这古老的农场已被划分为一块块的宅地。
- Tunable split ring resonator and its effect 谐振频率可调的环状开口谐振器结构及其效应
- DESIGN AND MANUFACTURE OF 1GHz SPLIT RING RESONATOR 1GHz裂环谐振腔的设计和制作
- three-layer veneered split ring model 三层瓷盖分裂环模型法
- All the apprentices rushed to help fit the piston. 徒工们都跑过来帮助装活塞。
- complementary split ring resonators(CSRR) 互补分裂谐振环（CSRR）
- 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 directivity of acoustic field radiated from ring piston source 环状活塞声源辐射声场指向性研究
- equalizing piston packing ring 平衡活塞密封圈
- A skilled person can split slate into layers. 手巧的人能把板岩剖成片。
- piston packing ring 活塞填密环,活塞密封环
- I almost split my sides at his stories. 听了他讲的故事，我几乎笑破肚皮。
