Tuning

例句:

• Frequent tuning is necessary, because the fine adjustments are easily disturbed. 伯莎M.克拉克. 科学通论.
• Tuning forks do not produce strong tones unless mounted on hollow wooden boxes (Fig. 175), whose size and shape are so adjusted that resonance occurs and strengthens the sound. 伯莎M.克拉克. 科学通论.
• A song played on tuning forks instead of on strings would be lifeless and unsatisfying because of the absence of overtones. 伯莎M.克拉克. 科学通论.
• Fasten a stiff bristle to a tuning fork by means of wax, allowing the end of the point to rest lightly upon a piece of smoked glass. 伯莎M.克拉克. 科学通论.
• Size and shape determine to a large degree the period of a body; for example, a short, thick tuning fork vibrates more rapidly than a tall slender fork. 伯莎M.克拉克. 科学通论.
• There must therefore be accurate tuning of the two instruments. 鲁伯特·萨金特·荷兰. 历史性发明.
• They're beginning upstairs,' said the stranger--'hear the company-- fiddles tuning--now the harp--there they go. 查尔斯·狄更斯. 匹克威克外传.
• A vibrating tuning fork traces a curved line on smoked glass. 伯莎M.克拉克. 科学通论.
• The tuning of the piano is the adjustment of the strings so that each shall produce a tone of the right pitch. 伯莎M.克拉克. 科学通论.
• As I had also been working on a telegraph system employing tuning-forks, simultaneously with both Bell and Gray, I was pretty familiar with the subject. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• I was then experimenting with sending eight messages simultaneously over a wire by means of synchronizing tuning-forks. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• In the phonograph, a diaphragm replaces the tuning fork and a cylinder (or a disk) coated with wax replaces the glass plate. 伯莎M.克拉克. 科学通论.
• The action of the pointer in reporting the vibrations of a diaphragm is easily understood by reference to a tuning fork. 伯莎M.克拉克. 科学通论.
• A tuning fork cannot vibrate in more than one way, and hence has no overtones, and its tone, while clear and sweet, is far less pleasing than the same note produced by a violin or piano. 伯莎M.克拉克. 科学通论.
• Methods of tuning the instruments have been adopted which limit the influence of the currents to properly tuned receivers and in this way some degree of secrecy is attained. 佚名. 神奇的知识之书.

编辑:兰尼