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- The sound absorption coefficient of the material was tested by standing wave tube method. 采用驻波管法测试材料的吸声系数。
- Based on the test technique of standing wave tube with double microphones, a four-sensor method is developed. 同时,将双传声器驻波管测量材料声阻抗的原理,推广到四传声器法测量压缩机消声器的传声损失。
- Traditional methods to measure absorption coefficient are standing wave tube and reverberation which have some shortcomings. 摘要传统的吸声系数测量方法主要有驻波管法和混响室法，而驻波管法和混响室法都存在着一些缺陷。
- The mechanism of suppressing mode competition in gyrotron traveling wave tube amplifier with helical corrugation is illuminated. 阐述了螺旋波纹波导回旋行波管克服模式竞争的机理。
- Dynamic thermal dissipation of cathode module in electron gun of traveling wave tube(TWT) were theoretically simulated with a newly-developed model. 阴极作为行波管的“心脏”,其内部结构的热耗散是影响行波管预热时间的关键问题,热传导和热辐射是引起阴极组件内部热耗散的最重要因素。
- Puns are hard to resist when talking about the growing wave of "marine" cosmetics-products containing extracts of seaweed, sea mud, and other things you'd probably consider icky at the shore. 所谓"海洋”化妆品指的是包含海藻、海泥萃取物及那些你可能会觉得很讨厌的海边的东西的产品。
- Based on this work, a broadband and a narrowband disk-loaded waveguide for the relativity traveling wave tube are designed. 在此基础上设计了可用于相对论行波管的一种宽带和一种窄带的盘荷波导结构。
- His story.Bonaparte had been tasked by President Teddy Roosevelt to help battle a growing wave of crime and corruption that was often beyond the jurisdictional reach of state and local authorities. 当时为了应对当时不断增长的犯罪浪潮和腐败现象（尽管这在当时被认为是州等地方政府与地方司法机关的权限），罗斯福总统授权波拿帕特去采取措施作些辅助性工作。
- In the dissertation, the coaxial disk-loaded cylindrical waveguide used in SWS of Relativistic Traveling Wave Tube(RTWT) is discussed . 文中讨论了应用于相对论行波管的同轴膜片加载圆波导慢波系统。
- It shows that the well-known 3 DB gain-bandwidth definition for ordinary helix traveliny wave tube can still be used for super-wide-band traveling wave tube. 增益参数工作区域图说明,超宽频带行波管增益通频带仍可采用通常螺旋线行波管增益通频带三分贝的原有规定。
- High efficiency and high linearity space traveling wave tube (TWT) is required for satellite communication system as a high power, high gain microwave amplifier. 摘要作为卫星通讯系统所用的高增益、高功率微波放大器件，行波管的效率和线性是非常重要的。
- We compare which method has the best convergence of the squared magnitude of the power amplifier output error for a memoryless Travelling Wave Tube Amplifier (TWTA). 本篇论文中，针对无记忆性的放大器模型比较三种转换对照表更新方法对于放大器输出的错误误差收敛快慢。
- The plant was growing at an angle. 植物呈一定角度生长。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- A new type of sound absorbing material was made from super-strength gypsum and glass fiber and the sound absorp-tion coefficient of the material was tested by standing wave tube method. 以高强石膏为主要原料,内掺玻璃纤维,在发泡剂的作用下,制备出一种新型多孔吸声材料,采用驻波管法测试材料的吸声系数。
- In the amplifying process of traditona1 traveling wave tube (TWT) with longitudinal congregation of electrons, space-charge effect will lead to nonlinear effect affecting output properties of TWT. 摘要在传统行波管的放大过程中，随着电子纵向群聚的加深，由于空间电荷效应导致的非线性效应，影响了行波管的输出性能。
- One-dimensional multifrequency non-linear model and simulation of helix traveling wave tubes[J]. 引用该论文 高鹏;杨中海;李斌;李建清;胡玉禄;朱小芳;廖莉.
- A growing child needs plenty of sleep. 正发育的孩子必须睡眠充足。
- Many young rock hounds grow up to be geologists. 许许多多爱好收集岩石的少年，长大后成了地质学家。
- The game will lose its relish when you grow old. 你年纪大了以后,就会发现这种游戏的趣味大打折扣了。
