单词	unobservable
释义	unobservable /ʌnəbˈzəːvəb(ə)l / adjective Not able to be observed.However, we can sometimes infer some of the particle's unobservable properties from what we can observe.... The behaviorist, like the molecular biologist or astrophysicist, assumes that, for the most part, unobservable events obey the same laws as the observable ones they can study. But because structural changes to the true genealogy are generally unobservable, these studies all assume that observed variation is neutral, whereas the variation on which selection acts is unseen.
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