From these ends is extended the spindle of Necessity, on which all the revolutions turn. 柏拉图.理想国.
These revolutions require a rare combination of personal audacity and social patience. 沃尔特·李普曼.政治序论.
When rotating at the rate of 788 revolutions in a minute, and lifting the water 19·4 feet, the greatest practical effect, compared with the power employed, was attained. 弗雷德里克·科利尔·贝克维尔.伟大的事实.
The proportion between them, therefore, must remain the same, and cannot well be altered, at least for any considerable time, by any such revolutions. 亚当·斯密.国富论.
Prior to 1878 the speed of the average spindle was limited to 5,000 revolutions a minute. Edward W. Byrn.十九世纪发明进展.
It is a revolutionary task, and like all real revolutions it will not be done in a day or a decade because someone orders it to be done. 沃尔特·李普曼.政治序论.
The average performance of the engines was 26 strokes per minute, and the number of revolutions of the screw in the same time was 138?. 弗雷德里克·科利尔·贝克维尔.伟大的事实.
That the great affairs of the world, the wars, revolutions, &c. 本杰明·富兰克林.富兰克林自传.
Sims, and he undertook to build an engine to run at three hundred and fifty revolutions and give one hundred and seventy-five horse-power. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
The cotton passed through the two pairs of rollers, and its extension depended entirely on the difference in the velocity of the revolutions of the two pairs. 鲁伯特·萨金特·荷兰.历史性发明.
A speed of 30,000 revolutions a minute may be attained by this construction. Edward W. Byrn.十九世纪发明进展.
The ordinary revolutions of war and government easily dry up the sources of that wealth which arises from commerce only. 亚当·斯密.国富论.
The engine runs from 300 to 400 revolutions per minute and develops from four to five horse power. Edward W. Byrn.十九世纪发明进展.
They were practically unknown then, and when he went to an engine builder and said that he wanted a 150 horse-power engine that would run 700 revolutions per minute he was told it was impossible. 鲁伯特·萨金特·荷兰.历史性发明.
Violent revolutions may be charged up to the unreadiness of statesmen. 沃尔特·李普曼.政治序论.
The shop was built on a shale hill, and when the engine was started the whole hill shook with the high speed revolutions. 鲁伯特·萨金特·荷兰.历史性发明.
Here the people live who begin the revolutions. 马克·吐温.傻子出国记.
The instrument is so constructed that clockwork at the top registers the number of revolutions made by the disk in one second. 伯莎M.克拉克.科学通论.
The water rushing through the wheel turns it and its shaft many hundred revolutions a minute. 威廉·亨利·杜利特.世纪发明.
He replied: 'Everything is red-hot, and the ampere-meter has made seventeen revolutions. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
In the French revolutions this double revolt is clear and plain. 赫伯特·乔治·威尔斯.世界史纲.
In 1878 improvements were made which doubled its working speed and permitted as high as 20,000 revolutions a minute. Edward W. Byrn.十九世纪发明进展.
One engine would stop, and the other would run up to about a thousand revolutions, and then they would see-saw. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
It is out of culture that the substance of real revolutions is made. 沃尔特·李普曼.政治序论.
I see no reason for exalting the unconscious failures of other revolutions into deliberate models for the next one. 沃尔特·李普曼.政治序论.
There were also counter-revolutions, deliberate returns to orthodoxy, as in the case of Chesterton. 沃尔特·李普曼.政治序论.
I look backward and consider its first foundation; its several revolutions, successes, and misfortunes. 戴维·休谟.人性论.
The Barbarian world was agitated by the rapid impulse of war; and the peace of Gaul or Italy was shaken by the distant revolutions of China. 赫伯特·乔治·威尔斯.世界史纲.
There is a circular saw that cuts through bars of iron as thick as railway rails, by making upwards of 1,000 revolutions per minute. 弗雷德里克·科利尔·贝克维尔.伟大的事实.
He showed me a gyroscope he had got up which made the incredible number of 4000 revolutions in a second. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.