The special PP material for sound box is developed with polyolefin elastomer(POE) and ethylene/propylene/diene copolymer( EPDM) as the tougheners, polypropylene grafted with maleic anhydride ( PP-g-MAH) as the compatibilizer and talcum as the inorganic fillers.
以聚烯烃弹性体(POE)和(乙烯/丙烯/二烯)共聚物(EPDM)为增韧剂,马来酸酐接枝聚丙烯(PP-g-MAH)为增容剂,滑石粉为无机填科研制音箱用聚丙烯(PP)专用料。
The influence to woof performance of sound box from the variety of the box parameters is large.
音箱的箱体参数对音箱的低频特性影响很大,为了减小音箱设计与制作过程中的盲目性,有必要研制与开发一套相关的软件对音箱的低音特性进行仿真。
This paper presents the way of the structure and analogy circuitry of a sound box working in inverse-phase type and the usages of the assistant soft for sound box in low frequency design.
介绍了倒相式音箱类比成集中参数等效电路的方法和音箱低频特性计算机辅助设计软件及其使用方法。
Design and realization of voice mailbox system based on voice card;
基于语音卡的语音信箱系统的设计与实现
In this paper,a new voice mailbox system has recording message and retrieving message function has been developed.
本文研究基于Dialogic电话语音卡,开发具有留言及听留言功能的语言信息系统,并给出系统的结构及详细的实施方案,测试表明所开发的语音信箱系统优于传统的语音信箱系统。
It is resultful to apply the sound attenuated enclosure to controlling undesired sound.
静音箱在噪声控制中有良好的降噪效果。
The speaker stood under the table.
音箱放在桌子下面。
The body is a long and narrow sound box made of wood.
琴身为狭长形木制音箱，
The Facture of Active Sound Box Based on TDA2030A;
基于TDA2030A的有源音箱制作
and in our dorm, you can't turn up the volume and play loud music.
在我们宿舍，你不能开音箱而且大声放音乐。
Also, he's just bought a new stereo set, which he keeps playing all day long.
而且，他刚刚买了新的音箱，他整天都在放音乐。
stereo radio cassette recorder with single detachable speaker system
单分离音箱立体声盒式收录机
double cassette stereo recorder with detachable speaker system
双卡分离音箱立体声收录机
all these forms of the pipa had the common characteristics of a straight neck and circular sound box.
但其共同特点为直项、圆形音箱。
The design principle is the same as household reflex enclosure.
其设计原理同家用的反射式音箱。
A 7.1 system setup uses 4 surround speakers.
一套7.1系统设置使用4个环绕音箱。
I have never been able to get a good mix in any headphone that would translate well to speakers afterward.
.我从没试过在耳机混音能很好地在真实世界里的音箱演谭出来.
DC: Do you use those on the road as well as in the studio or do you use different amps in the studio?
你在旅途中使用这些设备吗？你在录音棚里面也使用这几个音箱吗？
The structure of super bass loudspeaker enclosure and its analogy circuit is analyzed in terms of electric－mechanic－acoustic analogy．
文中从电－力－声类比角度分析了重低音音箱的结构和类比线路。
And voice-mail and fax.
话音信箱和传真机。
How Do Voice Mail and E-mail work?;
语音信箱和电子信箱是怎样工作的?
Can I leave him a voice in mail?
我可以在他的语音信箱里留话吗？
Would you like to leave a message on his voice mail, then?
那您要不要在他的语音信箱里留言？
Design of an intelligent voice mail box based on SOPC
基于SOPC的智能语音信箱的设计