| 单词 |
observational |
| 释义 |
obserˈvational, a.
[f. prec. + -al1.]
1. Of or pertaining to observation or taking notice.
1854Fraser's Mag. L. 344 Means of furthering the education of the young, and displaying the observational powers of the mature. 1885Brit. Almanac Comp. 7 The observational tact and largeness of a disciplined imagination and eye.
2. Of or pertaining to scientific observation.
1834Chalmers Bridgewater Treat. ii. ii. II. 191 At the commencement of this observational process. 1856Dove Logic Chr. Faith v. i. 248 We have in astronomic Science..the observational element. 1880Nature XXI. 207 Materials for observational and experimental research.
Hence obserˈvationally adv., by means of observation; with regard to observation.
1893Huxley in Westm. Gaz. 29 Dec. 4/3 A profound distrust of all long chains of deductive reasoning,..unless the links could be experimentally or observationally tested. 1930A. S. Eddington Rotation of Galaxy 13 The effect on the apparent angular motion..remains always on the verge of what is detectable observationally. 1964Philos. Rev. LXXIII. 203 We cannot observationally verify the speaker's claims. 1976Nature 26 Feb. 628/2 Observationally one requires better high resolution, far-infrared and molecular maps and a near-infrared search for the dust-enshrouded protostars in the H II regions before the vastly complex physics and mechanics of these birthplaces of stars can be understood fully. |
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