例句與造句

1. These three pairs of colors are pure, subjective Epicurean anticipations because they are expressed in simple, rational, arithmetical ratios similar to the seven tones of the musical scale and their rational vibration numbers.
2. In the first edition of the " Lehrbuch der Naturphilosophie ", which appeared in that and the following years, he sought to bring his different doctrines into mutual connection, and to " show that the mineral, vegetable and animal kingdoms are not to be arranged arbitrarily in accordance with single and isolated characters, but to be based upon the cardinal organs or anatomical systems, from which a firmly established number of classes would necessarily be evolved; that each class, moreover, takes its starting-point from below, and consequently that all of them pass parallel to each other "; and that, " as in chemistry, where the combinations follow a definite numerical law, so also in anatomy the organs, in physiology the functions, and in natural history the classes, families, and even genera of minerals, plants, and animals present a similar arithmetical ratio . " The " Lehrbuch " procured for Oken the title of " Hofrath ", or court-councillor, and in 1812 he was appointed ordinary professor of the natural sciences.
3. It's difficult to find arithmetical ratio in a sentence. 用arithmetical ratio造句挺難的