One of the things infants learn early in life is that their actions affect others' responses—they sense that they're active agents in their environment, so the world isn't just a sound and light show.
婴儿早期就学会的一件事是他们的行为影响其他人的反应——他们意识到他们对身处的环境有主动影响力，因此世界不只是场声色表演。
Active verbs put the actor first and sound livelier than passive verbs, which can sound static or abstract.
主动动词把动作实行者放在首位，这样的句子听起来更加生动，而被动语态却显得静止和抽象。
We know which brain regions handle sound waves that come in through your ears. Are the same areas active when you simply imagine the sound?
我们知道大脑某个区域会处理耳朵接收到的声波，那在想象声音的时候也是这块区域在起作用吗？
While that might sound a lot like your schedule, there's a catch: Besides catching fewer Z's, the two family members are also very active.
尽管那听起来很像你的时间表，但有猫腻：除了女儿被传染的短时间睡眠，还有，这个两个家庭成员还非常活跃。
Opinions are also complex feelings born out of the base of sound visual image along with active principle in the mind.
观点也是一种复杂的感觉，它是从声与光的图像以及心中的活跃要素等基础上产生出来的。
Active noise control technology has recently been used to increase the sound transmission loss of double wall structures.
噪声主动控制技术目前已用增加双隔板结构对声音进行衰减。
Learning process is a process of building a sound knowledge in the process, to develop learners have sufficient motivation and active behavior is very important.
学习的过程是一个构建完善知识体系的过程，在这个过程中，培养学习者具备充足的学习动力和主动行为非常重要。
Echolocation, the active use of sonar along with special morphological and physiological adaptations, allows bats to "see" the world with sound.
主动应用声纳并与特殊形态学和生理学调节结合在一起的回声定位，使蝙蝠能用声音来“看”这个世界。
I didn't understand the front panel controls and may have had some Settings active affecting the sound.
我没有了解前面的嵌板控制和可能已经让一些设定活跃影响声音。
Sound insulation: the design of sound insulation effect to be good enough, must ensure that the active area and the rest area does not affect each other.
隔音：写字楼设计隔音效果要够好，必须保证活动区和休息区互不影响。
In the model high-tech design application process will be sound, light, electricity, water, skillfully combining multimedia, etc., so many vivid works of doubling active and fun colors.
在模型设计制作过程中应用高新技术，将声、光、电、水、多媒体等进行巧妙地结合，令作品倍增许多生动活跃、令人神往的色彩。
An adaptive control approach applied to practical active sound absorption systems is presented.
研究了实际系统中有源声吸收自适应控制方案。
It is shown that it is the irrotational component of the active intensity that transfers sound energy in sound field.
在声场中真正传递声能量者仅是有功声强中的无旋分量。
Because the irrotational component of the active intensity depends on the surface sound intensity, measuring the surface sound intensity can avoid the effect of the rotation.
有功声强的无旋分量与表面声强有关，因此测量表面声强可避免有旋性的影响。
It is an active exploration to analyze the forms of various second resonances and the principle of the sound production.
对芦笙多种二次共鸣形式及发音原理进行分析，不失为一种积极的探索。
The property of the hybrid active silencer relies on the equivalent impedance at the secondary sound source position and the impedance distribution characteristics of the one-chamber pipe itself.
研究结果表明，复合有源消声器的消声效果取决于次级扬声器位置的等效声阻抗以及无源式消声管道本身的阻抗分布特性。
In this paper, theoretical and experimental studies on absorbing sound mechanism of active sound absorber is presented.
本文从理论和实验两个方面对有源消声器的消声机理作了研究。
Based on the radiation modes, it is presented an active control strategy for sound radiation from elastic structures with an example of simply supported rectangular panel.
以简支平板为例，通过声辐射模态建立了弹性结构声辐射的有源主动控制策略。
With an example of simply supported beam, it is presented to active control structure-borne sound by mean of radiation modes.
以简支梁为例，通过声辐射模态研究简支梁声辐射的有源控制。
The subject on the basis of the study of sound quality, designed the Active control method to improve the sound quality inside the car.
本文在声品质评价研究的基础上，设计了车内声品质改善的主动控制方法。
The measurement of sound power by use o the two-microphone technique will be affected by the rotation of the active intensity.
所以在应用双传声器声强测量法测量声功率时将受到有旋性的影响。
In this paper, with an example of simply supported rectangular panel, it is presented active of control structure borne sound radiation by means of radiation modes.
文章以简支平板为例，通过声辐射模态研究结构声辐射的有源控制。
Using the concept of complex sound intensity, we discuss in this paper the rotational character of the active intensity which is the real part of the complex sound intensity.
本文应用复声强的概念，讨论了复声强的实部即有功声强的有旋性质。指出：在声场中真正传递声能量者仅是有功声强中的无旋分量。
In this thesis, the study is focused on the characteristics of distributed sound source and its using in the active acoustical structure as the secondary source, including the foll.
本文为有源声学结构研究的一部分，侧重于研究分布式声源的声学特性，并对其作为次级源在有源声学结构中的应用进行了深入的研究。
In this paper, an experimental study on adaptive active control of sound trans-mission through a finite length water-filled cylinder in underwater is carried out.
本文研究了有限长充水圆柱置于水中，外声场透射形成的腔内声场自适应有源控制实验研究。
In the paper, the method of active control of radiation sound field from elastic plate by input force is extended to underwater case.
本文把利用输入力有源控制弹性板辐射声场的方法推广到水下情况。
The system is introduced in three aspects, the introduction of adaptive and active sound absorption principle, hardware design and the results of experiments.
本文通过自适应有源吸声原理的介绍、系统的软硬件设计以及系统实验结果的讨论等三方面内容来介绍本系统。
The active noise control technology and adaptive control technology were combined together in the paper, the adaptive and active broadband sound absorption system was designed.
本论文将有源噪声控制技术与自适应控制技术相结合，设计了自适应有源宽带吸声系统。
The active noise control technology and adaptive control technology were combined together in the paper, the adaptive and active broadband sound absorption system was designed.
本论文将有源噪声控制技术与自适应控制技术相结合，设计了自适应有源宽带吸声系统。
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