Propulsion
[prə'pʌlʃ(ə)n] or [prə'pʌlʃən]
解释:
(n.) The act driving forward or away; the act or process of propelling; as, steam propulsion.
(n.) An impelling act or movement.
格罗夫斯整理
解释:
n. act of propelling: a driving forward.—adjs. Propul′sive Propul′sory tending or having power to propel.
阿方索整理
例句:
- Besides different forms and sizes he tried various materials of construction, and ultimately various means of propulsion. 李贝. 西洋科学史.
- It is stated, that about the year 1787, experiments were made on the river Hull, by Furnace and Ashton, on the propulsion of vessels by steam power. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
- Edison believes that there are important advantages possible in the employment of his storage battery for street-car propulsion. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
- The application of steam to the direct propulsion of carriages was a comparatively slow process. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
- Recourse was had to the inventions of the ancients, from whom the paddle-wheel was taken, to find some other means of propulsion. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
- The most important of the latter is the torpedo, of which the Whitehead, or fish torpedo, which supplies its own means of propulsion, is the best known and most used. Edward W. Byrn. 十九世纪发明进展.
- It has found increasing favor for use in marine propulsion, and in 1913 was adapted to high-speed railway service, and put into use in Germany. 佚名. 神奇的知识之书.
- Both these plans of propulsion seem feasible in design; but they have hitherto failed in practice. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
- In 1818 Denis Johnson secured an English patent for an improved form of this device, but the principle of propulsion remained the same. Edward W. Byrn. 十九世纪发明进展.
- Within the last few years application of the Parsons steam turbine has been made to marine propulsion with very remarkable results as to speed. Edward W. Byrn. 十九世纪发明进展.
- The application of the electric motor to the propulsion of vehicles dates back to quite an early period. Edward W. Byrn. 十九世纪发明进展.
- The application of steam for the propulsion of boats engaged the attention of inventors along with the very earliest development of the steam engine itself. Edward W. Byrn. 十九世纪发明进展.
- The splendid epochs will be interpreted as monuments of man's creation, not of his propulsion. 沃尔特·李普曼. 政治序论.
- It should be understood that propulsion of this first Copeland model was not intended to depend solely upon mechanical power, but to be operated in connection with the foot pedals. 佚名. 神奇的知识之书.
- A method of propulsion, similar in principle to the action of sculls at the back of a boat, had been contrived long before the inconvenience of paddle-wheels in Steam Navigation was experienced. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
艾布拉姆编辑