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- Dolphins produce a high frequency sound. 海豚可以发出高频音。
- If it is a low frequency sound, it is processed as an analog signal. 对低频声进行传统的处理。
- There is a whole world of high frequency sound that is silent to human ears. 人类耳朵听不见世界上高频率的声音。
- The hearing aid determines if the sound is a high frequency sound or a low frequency sound. 通过100个滤波器和音素分析器决定哪些声音是高频或低频声,哪些声音是元音和辅音。
- Carpets, curtains and soft furniture absorbs mid range and high frequency sound, and this is preferable. 地毯、窗帘和软的家具会吸收中频和高频的声音,产生较好的声效。
- With the ultra low frequency sound box combination use, may have theacoustics which plentifully shocks. 与超低频音箱组合使用,可产生更加丰满震撼的音响效果。
- Expenses for repairing and maintenance were reduced after the low frequency sound wave deashing device was used. 经采用低频声波清灰装置,减少了检修和维护的费用。
- If it is a high frequency sound, the signal is moved to a special DSP processor that determines where the sound needs to be compressed to. 通过特殊的DSP处理器决定高频声应该被压缩到哪里。
- digital datmospheric sounding instrument 数字探空仪
- sounding instrument for cloud and fog physics 云雾物理探测仪器
- The results showed that the OSB wallbord composed by OSB,air and glass wool had a good sound absorption property,specially for low frequency sound. 结果表明,由定向结构板、空气层、玻璃棉构成的复合墙体在低频率范围内会出现共振现象,吸声性能比单层定向结构板有显著的增加,但在高频率范围内变化较小;
- This is the EQ frequency sound effects, change pitch without altering the reason that everyone (especially beginners) can be assured that the use of EQ. 这就是EQ效果器能改变声音频率而不改变音高的原因,所以大家(尤其是初学者)大可放心地使用EQ。
- The Yule log was either dragged by the people of one farmstead or several neighbours together. This was accompanied by songs, singing games, and various sounding instruments. 届时由某个家庭的成员或几家邻居共同拖拉圣诞节原木,伴有歌声、唱歌游戏和各种声乐器具。
- By turning up the volume of those high frequency sound waves, and focussing them carefully, they can sometimes break up a tumor inside the body, without surgery. 通过控制这些高频率声波的量,仔细对准它们,有时它们能够杀死身体内的肿瘤,而不用开刀。
- But the timbres present obvious difference;they differentiate into single timbre, dual timbre and complex timbre with a low frequency sound of high amplitude. 但是音色有明显的差异,即分别为单音色、双音色和具有高幅低频声的复合声。
- During this process heat energy first converts to unorderly sound waves, then to high frequency sound waves, finally ends up with low frequency sound waves. 这一过程中能量的转化是先从热能到杂乱的声波,接着转化为高频声波的能量,然后完成从高频能量到低频能量的转化,直到整个系统的稳定。
- This echolocation, where high frequency sounds bounce off objects giving the bat a picture of the world around it, is purely functional. 回声定位其实属于工作用语,蝙蝠利用从物体反弹回来的超声波,对周围世界有个大致了解。
- This paper introduces how to establish Three-dimension finite element model to solute low frequency sound transfer funcion in small-enclosed room. And this paper compares two kinds of three-dimension element. 文中详细介绍了如何建立用于求解小尺度封闭空间低频声传递函数的三维有限元素模型。并对两类常用的三维有限元素单元进行了比较。
- While high frequency sounds tend to be more hazardous and more annoying to hearing than low frequency sounds,most noise pollution damage is related to the intensity of the sound. 虽然高频声音比低频声音更加危险且恼人,大多数的噪音污染损害却与声音强度有关。
- This breed is also known for his ability to foretell storms and avalanches, perhaps because he may hear very low frequency sounds that are beyond our ability to hear. 这个品种有能力预测风暴和雪崩,可能是因它们能听见非常低的频率,甚至低于我们能力所能听到的。