Frictional

例句:

• While the frictional appliance is still employed in medicine, it ranks with the flint axe and the tinder-box in industrial obsolescence. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• It presents, therefore, much less difficulty in the insulation of the wires than frictional electricity, whilst the rapidity of its transmission is for practical purposes equally efficient. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• Artificial reservoirs are usually constructed on the near outskirts of a town in order that the frictional force lost in transmission may be reduced to a minimum. 伯莎M.克拉克. 科学通论.
• Thus, the transmission of Morse dots and dashes by the distant operator resulted in movements of corresponding length by the frictional pad and vibrating arm. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Both the recording stylus and reproducing ball are made of sapphire, chosen on account of its hardness, to resist the great frictional wear to which they are subjected. Edward W. Byrn. 十九世纪发明进展.
• The useful results obtainable previously from the current of a frictional machine were not much greater than those to be derived from the flight of a rocket. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The other surface consisted of a small pad which rested with frictional pressure on the periphery of the drum. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The frictional movements of the pad with the drum were comparatively long or short, and corresponded with the length of the impulses sent in over the line. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Ampere would be the quantity, or volume unit, or cross section of the hose pipe, and the ohm would be the unit of frictional resistance. Edward W. Byrn. 十九世纪发明进展.

校对:鲁本