Variability
[,veərɪə'bɪlətɪ] or [,vɛrɪə'bɪləti]
解释:
(n.) The quality or state of being variable; variableness.
(n.) The power possessed by living organisms, both animal and vegetable, of adapting themselves to modifications or changes in their environment, thus possibly giving rise to ultimate variation of structure or function.
编辑:维姬
例句:
- The variability, however, in the successive generations of mongrels is, perhaps, greater than in hybrids. 查尔斯·达尔文. 物种起源.
- This greater variability in mongrels than in hybrids does not seem at all surprising. 查尔斯·达尔文. 物种起源.
- In the latter case the organisation seems to become plastic, and we have much fluctuating variability. 查尔斯·达尔文. 物种起源.
- And if there has been any variability under nature, it would be an unaccountable fact if natural selection had not come into play. 查尔斯·达尔文. 物种起源.
- A great amount of variability, under which term individual differences are always included, will evidently be favourable. 查尔斯·达尔文. 物种起源.
- There is, also, some probability in the view propounded by Andrew Knight, that this variability may be partly connected with excess of food. 查尔斯·达尔文. 物种起源.
- Variability is governed by many unknown laws, of which correlated growth is probably the most important. 查尔斯·达尔文. 物种起源.
- During these latter periods there will probably be more variability in the forms of life; during periods of subsidence, more extinction. 查尔斯·达尔文. 物种起源.
- It is not probable that variability is an inherent and necessary contingent, under all circumstances. 查尔斯·达尔文. 物种起源.
- But as long as selection is rapidly going on, much variability in the parts undergoing modification may always be expected. 查尔斯·达尔文. 物种起源.
- These facts are very perplexing, for they seem to show that this kind of variability is independent of the conditions of life. 查尔斯·达尔文. 物种起源.
编辑:洛娜