Oscillations

例句:

• The principal applications of wireless telegraphy so far have been at sea, where the absence of intervening obstacles gives a free path to the electrical oscillations. Edward W. Byrn. 十九世纪发明进展.
• Our continents seem to have been formed by a preponderance, during many oscillations of level, of the force of elevation. 查尔斯·达尔文. 物种起源.
• The antenna has electrical capacity, and when it is connected with the other apparatus needful to produce the oscillations it disturbs the earth’s magnetic field. 鲁伯特·萨金特·荷兰. 历史性发明.
• The receiving station must have the means to intercept the waves, and then transform them again into electrical oscillations that shall correspond to those sent out from the transmitting station. 鲁伯特·萨金特·荷兰. 历史性发明.
• But what struck him as singular was that the oscillations all seemed to be made in the same time. 鲁伯特·萨金特·荷兰. 历史性发明.
• In 1890 Professor Eduard Branly found that loose metallic filings became good conductors of electricity when there were electric oscillations at hand. 鲁伯特·萨金特·荷兰. 历史性发明.

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