1.
four sound track stereo radio
四声道立体声收音机
2.
quadraphonic amplifier
四声道立体声放大器
3.
More shots rang out.
坨子里又传出两声枪响，接着四声五声，枪声不断。
4.
discrete four-channel tape system
分立四声道磁道系统
5.
extended stylus
日本东芝四声道唱针
6.
SHEN-Yue s Theory of “Four-Tones” Taking Shape in “Four-Image” Theory in Traditional Culture;
沈约“四声”说本于传统文化之四象理论
7.
A composition for four voices or instruments.
四重奏（唱）曲四声合唱或由四种乐器演奏的作品
8.
of or relating to quadraphony.
属于或关于四声道立体声的。
9.
Of or for a four-channel sound system in which speakers are positioned at all four corners of the listening space, reproducing signals that are independent of each other.
四声道的属于或用于四声道声音系统的，音箱放置于听音空间的四角，再生各自独立的信号
10.
Specification of the four channels digital sound sub-carrier system
GB/T14920-1994四声道数字声音副载波系统技术规范
11.
Harmonic Techniques in Johann Sebastian Bach 371 Harmonized Chorales;
巴赫《371首四声部众赞歌》的和声处理手法
12.
LEFT REAR QUARTER SPEAKER CONNECTOR
左后四分扬声器接头
13.
There was no loud sound.
四周听不见什么喧闹声。
14.
RIGHT REAR QUARTER SPEAKER CONNECTOR
右后四分扬声器接头
15.
Triumphant songs were heard everywhere.
胜利的歌声传四方。
16.
Profound silence prevailed on the open countryside.
四野茫茫, 寂静无声。
17.
All is quiet on the vast expanse of open ground.
四野茫茫，寂静无声。
18.
echoed the mournful cry of the boobook owl.
猫头鹰的的嚎叫声回声四起。