Constant

(noun.) a quantity that does not vary.

(noun.) a number representing a quantity assumed to have a fixed value in a specified mathematical context; 'the velocity of light is a constant'.

(adj.) steadfast in purpose or devotion or affection; 'a man constant in adherence to his ideals'; 'a constant lover'; 'constant as the northern star' .

奥尔多手打

• Its great interest for the history of thought lies in the fact that it is the result of seeking the constant in the variable, the unitary principle in the multiple phenomena of nature. 李贝. 西洋科学史.
• We have used for a number of years in this laboratory a form of constant water bath which was contrived by Mr. Edward Bogardus, formerly chemist to the New Jersey State Geological Survey. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• Hence it was necessary to maintain a constant vigilance to defeat the insidious attacks of carping critics and others who would attempt to injure the Edison system by misleading statements. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• His employment may, upon most occasions, be as constant as he pleases. 亚当·斯密. 国富论.
• A pendulum carrying a pencil was in constant contact with a strip of paper drawn beneath the pencil. Edward W. Byrn. 十九世纪发明进展.
• During the two days Mr. Pickwick was confined to bed, Sam was his constant attendant. 查尔斯·狄更斯. 匹克威克外传.
• Her constant visitor was a most sanguine Bonapartist, who had formerly been employed by that emperor as ambassador to the court of Naples. 哈里特·威尔逊. 哈里特·威尔逊回忆录.
• Nothing was wanting on Mrs. Palmer's side that constant and friendly good humour could do, to make them feel themselves welcome. 简·奥斯汀. 理智与情感.
• This they buried well up on the island, and for three years they lived there in constant hope of being rescued. 埃德加·赖斯·巴勒斯. 人猿泰山.
• A young man really well deserves constant support and patronage,' looking at the Doctor, 'who makes such sacrifices. 查尔斯·狄更斯. 大卫·科波菲尔.
• There was the constant attempt to approximate the conditions of successful assassination that accompanied the demolition. 欧内斯特·海明威. 丧钟为谁而鸣.
• He keeps me on a constant see-saw. 查尔斯·狄更斯. 荒凉山庄.
• How then can I remain constant to your inconstant charms? 哈里特·威尔逊. 哈里特·威尔逊回忆录.
• Ursula nestled near him, into his constant warmth, and watched the pale-lit revelation racing ahead, the visible night. 戴维·赫伯特·劳伦斯. 恋爱中的女人.
• No one is absolved from experiment and constant revision. 沃尔特·李普曼. 政治序论.
• His work and tests regarding magnetism were repeated later on by Hopkinson and Kapp, who then elucidated the whole theory mathematically by means of formulae and constants. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.

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