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- Active Structure Acoustic Control(ASAC) is the leading field in the area of Vibration and Noise Control. 结构振动声辐射主动控制技术(ASAC)是目前国际上振动噪声主动控制研究领域的前沿方向之一,有着巨大的潜在应用价值。
- The development in the study on the dynamics of activated structure can promote the study on continental geodynamics. 活化构造动力学机制的研究发展,是对大陆动力学研究的促进。
- Conclusion: The result suggests that the ES is a very metabolically active structure and has a pressure regulating function. 毛细血管与淋巴窦构成一个完整、细密的网状结构。
- It is often the case of reform initiatives around the world that what gets noticed and disseminated are often the activity structures and curriculum resources that were generated. 根据世界各地的教改经验，制度形式和课程内容的变更往往最引人注目及惹起谈论。
- An active structure acoustic control system (ASAC) used in an vibro-acoustic rectangle enclosure is presented with the objective of minimizing acoustic energy density. 以矩形封闭空间结构振动-声耦合系统的为研究对象，采用力控方式，建立了以声能量密度最小为控制目标的自适应主动结构声控制系统(ASAC)。
- In order to reduce sound radiation of a structure, the method of Active Structural Acoustic Control (ASAC) was developed in the 1980s. 自八十年代后期以来，为了更为有效地降低结构声辐射，人们提出了主动结构声学控制(ASAC)。
- The office has been humming with activity. 办公室一直忙着搞活动。
- The threat of war has depressed business activity. 战争的威胁使经济萧条。
- There has been a lot of activity in the town today. 今天市中心相当热闹。
- The town was humming with activity. 该市镇生气勃勃，呈现一片热闹的景象。
- An error sensor strategy is a key step in implementing an active structural acoustic control(ASAC). 误差传感策略是实现主动结构声学控制的关键的一环。
- Stamp collecting is my favorite activity. 集邮是我最喜爱的消遣。
- The store was a scene of great activity. 这家商店顾客盈门。
- He once engaged in anti-government activity. 他一度从事反政府的活动。
- The office is humming with activity. 办公室里一片忙碌。
- Active Structure and Earth quake 活动构造与地震
- Polynomial interpolating compensation algorithm for the time-delay of active structural control system was proposed, which is proved to be valid through a numerical example. 算例分析表明，时滞补偿后系统的控制效果有了明显的改善，说明该时滞补偿方法是有效的。
- A center of interest or activity. 中心兴趣或活动的中心
- Showing no optical activity in polarized light. 无旋光的极化光下无光学反应的
- An increase, as in movement or business activity. 进步，改进，改善运动或商业活动的进步或兴隆
