Reversing

例句:

• On his reversing the ar rangement, and carrying on the process for a similar length of time, the sulphuric acid appeared in the agate cup, and the solution of lime on the opposite side. 李贝. 西洋科学史.
• The armature circuit had a switch in it which permitted the locomotive to be reversed by reversing the direction of current flow through the armature. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Hence, some mechanical device for periodically reversing the current is necessary, if the motor is to be of commercial value. 伯莎M.克拉克. 科学通论.
• He also contrived the means of printing in colours from stone, by reversing the process of ordinary lithographic printing. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• If the direction of flow of current be reversed, by reversing the battery, the electromagnetic polarity also reverses and the end of the permanent magnet swings over to the other side. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• A switch in the armature circuit enabled the motorman to reverse the direction of travel by reversing the current flow through the armature coils. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Probably the Etruscans ruled over a subjugated Italian population, so reversing the state of affairs in Greece, in which the Aryans were uppermost. 赫伯特·乔治·威尔斯. 世界史纲.

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