Stratocaster在弦桥和琴颈之间还带有第三个拾音器，音域宽广。
Strats were configured with a third pickup in between the neck and the bridge, supplying a wider range of tones.
一根确定长度、松紧和密度的弦只能发出某某音。每条线的操作是自如的。
For a string of specified length, tautness and density only certain note can be generated.
筝的外形看起来和琴有几分相似，实际上完全不同， 琴有七根弦，而筝弦的数目却并不固定，但通常是十三根弦， 并且所有弦都有音柱支撑。
There are only a few passed on from ancient times. Zheng and Qin resemble in looks, but in fact they are completely different. Qin has seven strings, while Zheng has unfixed number of strings.
用音弦和电阻应变测量仪器测定构件表面及内部钢筋的变形。
The strains on the surfaces of ferrocement plating and internal reinforcing rods are picked up by sound-string tansducers and strain gauges.
用音弦和电阻应变测量仪器测定构件表面及内部钢筋的变形。
The strains on the surfaces of ferrocement plating and internal reinforcing rods are picked up by sound-string tansducers and strain gauges.
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