Theoretical

(adj.) concerned primarily with theories or hypotheses rather than practical considerations; 'theoretical science' .

(adj.) concerned with theories rather than their practical applications; 'theoretical physics' .

巴纳德编辑

• Galileo determined to study the laws of mechanics by experiment, and not, as so many earlier scientists had done, by argument or mere theoretical opinions. 鲁伯特·萨金特·荷兰. 历史性发明.
• The emphasis in school upon this particular tool has, however, its dangers--dangers which are not theoretical but exhibited in practice. 约翰·杜威. 民主与教育.
• Hence it will be obvious that these toys produced merely an ILLUSION of THEORETICAL motion. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• But if the thinker sees at all deeply into the life of his own time, his theoretical system will rest upon observation of human nature. 沃尔特·李普曼. 政治序论.
• But without much success: his contact with American life is not direct, and so he is capable of purely theoretical affirmations. 沃尔特·李普曼. 政治序论.
• But their practic al achievements far transcended their theoretical formulations. 李贝. 西洋科学史.
• They rest nearly always upon theoretical assumptions of the slenderest kind. 赫伯特·乔治·威尔斯. 世界史纲.
• We cannot wait in politics for any completed theoretical discussion of its method: it is a monstrous demand. 沃尔特·李普曼. 政治序论.
• He was conscious of the practical, as well as the theoretical, import of his investigation. 李贝. 西洋科学史.
• His theoretical grounds for ignoring the question in politics are very interesting just because they are vitalized by this practical difficulty which he faced. 沃尔特·李普曼. 政治序论.
• I have not done that because this rational procedure inverts the natural order of things and develops all kinds of theoretical tangles and pseudo-problems. 沃尔特·李普曼. 政治序论.
• It was a small part of THIS VERY THING; only the time was not ripe; theoretical knowledge was not ready for it. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Phillipe Lebon, a French engineer, in 1799 and in 1801 anticipated in a theoretical way many ideas since successfully reduced to practice. 威廉·亨利·杜利特. 世纪发明.
• But like so many theoretical riddles, this one rested on a very simple piece of ignorance. 沃尔特·李普曼. 政治序论.
• We deprive anarchists of free speech by the heavy hand of a police magistrate, and furnish them with a practical instead of a theoretical argument against government. 沃尔特·李普曼. 政治序论.
• Such is the situation as an affair of theoretical psychology and as most adequately stated by Aristotle. 约翰·杜威. 民主与教育.
• For scientific men would have been thought to be mere theoretical dreamers, totally lacking in social efficiency. 约翰·杜威. 民主与教育.
• Similarly, to the nineteenth century thirteen important theoretical discoveries are ascribed, to the eighteenth only two, and to the seventeenth five. 李贝. 西洋科学史.
• A few bilious Britons there were who would not subscribe to this article of faith; but their objection was purely theoretical. 查尔斯·狄更斯. 小杜丽.
• Nevertheless, having received fresh instructions from Adams relative to the theoretical place of the new planet, he began observations July 29. 李贝. 西洋科学史.
• Poincaré is inclined to account for these sudden solutions of theoretical difficulties on the assumption of long periods of previous unconscious work. 李贝. 西洋科学史.
• My theoretical and his practical knowledge together could not have failed. 简·奥斯汀. 曼斯菲尔德庄园.
• Here again, howev er, it is the fundamental, the indispensable, the practical forms of knowledge that stand revealed rather than the theoretical, speculative, and purely intellectual. 李贝. 西洋科学史.

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