Variation

(noun.) an activity that varies from a norm or standard; 'any variation in his routine was immediately reported'.

(noun.) the act of changing or altering something slightly but noticeably from the norm or standard; 'who is responsible for these variations in taxation?'.

(noun.) an artifact that deviates from a norm or standard; 'he patented a variation on the sandal'.

(noun.) a repetition of a musical theme in which it is modified or embellished.

(noun.) an instance of change; the rate or magnitude of change.

(noun.) (astronomy) any perturbation of the mean motion or orbit of a planet or satellite (especially a perturbation of the earth's moon).

(noun.) the process of varying or being varied.

艾伯特整理

• Great importance has been attached to this variation in the inclination of the equator to the orbit by Dr. Croll in his book _Climate and Time_. 赫伯特·乔治·威尔斯. 世界史纲.
• Some authors have maintained that the amount of variation in our domestic productions is soon reached, and can never afterward be exceeded. 查尔斯·达尔文. 物种起源.
• We shall, however, be enabled to discuss what circumstances are most favourable to variation. 查尔斯·达尔文. 物种起源.
• Our ignorance of the laws of variation is profound. 查尔斯·达尔文. 物种起源.
• A particular shade of any colour may acquire a new degree of liveliness or brightness without any other variation. 戴维·休谟. 人性论.
• The question is not, at what period of life any variation may have been caused, but at what period the effects are displayed. 查尔斯·达尔文. 物种起源.
• Thus it will be possible to introduce almost endless changes in the style of house by variation of the same set of molds. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Every variation in the speaker's voice is repeated in the vibrations of the metal disk and hence in the minute motion of the pointer and in the consequent record on the cylinder. 伯莎M.克拉克. 科学通论.
• These slight proportional differences, due to the laws of growth and variation, are not of the slightest use or importance to most species. 查尔斯·达尔文. 物种起源.
• Such a slight difference would not make an appreciable variation in the candle-power of the lamps. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• I will here only allude to what may be called correlated variation. 查尔斯·达尔文. 物种起源.
• Educationally, emphasis may not be put on eternal truth, but it is put on the authority of book and teacher, and individual variation is discouraged. 约翰·杜威. 民主与教育.
• It cannot therefore be affected by any variation in that particular. 戴维·休谟. 人性论.
• How will the struggle for existence, briefly discussed in the last chapter, act in regard to variation? 查尔斯·达尔文. 物种起源.
• On the other hand, the ordinary belief that the amount of possible variation is a strictly limited quantity, is likewise a simple assumption. 查尔斯·达尔文. 物种起源.
• The necessity for this was due to the many radical variations made from accepted methods. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The improved instrument produces untempered tones without requiring extraordinary variations from the usual arrangement of the keys. 威廉·亨利·杜利特. 世纪发明.
• Her constitution is both sound and elastic;--better calculated to endure variations of climate than many more robust. 夏洛蒂·勃朗特. 简·爱.
• Unless favourable variations be inherited by some at least of the offspring, nothing can be effected by natural selection. 查尔斯·达尔文. 物种起源.
• These bud variations, as they may be named, can be propagated by grafts, offsets, etc. 查尔斯·达尔文. 物种起源.
• Trifling variations in the ingredients, in the proportion and in the heating, made it either pliable as kid, tougher than ox hide, as elastic as whalebone, or as rigid as flint. Edward W. Byrn. 十九世纪发明进展.
• The suddenness of the effect can be accounted for only by a cause which can operate suddenly, the accidental variations of the seasons. 亚当·斯密. 国富论.
• The same principles are followed by horticulturists; but the variations are here often more abrupt. 查尔斯·达尔文. 物种起源.
• These languages are not different things, they are variations of one thing. 赫伯特·乔治·威尔斯. 世界史纲.
• All commodities are more or less liable to variations of price, but some are much more so than others. 亚当·斯密. 国富论.
• But man can and does select the variations given to him by nature, and thus accumulates them in any desired manner. 查尔斯·达尔文. 物种起源.
• The sound-waves impinging upon the distant transmitter varied the resistance of the carbon button therein, thus causing corresponding variations in the strength of the battery current. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Variations in the Proportion between the respective Values of Gold and Silver. 亚当·斯密. 国富论.
• It is liable, besides, to almost continual variations. 亚当·斯密. 国富论.
• He can never act by selection, excepting on variations which are first given to him in some slight degree by nature. 查尔斯·达尔文. 物种起源.

校对:朱莉娅