| 单词 | pyrheliometric |
| 释义 | > as lemmaspyrˌhelioˈmetric pyrˌhelioˈmetric adj. [compare French pyrhéliométrique (1872)] of, relating to, or involving a pyrheliometer. ΚΠ 1874 Nature 23 July 238/2 Remarks on the pyrheliometric observations of Pouillet. 1935 Geogr. Jrnl. 86 282 A discussion of the pyrheliometric measurements at Nice and at Thorene. 1978 Nature 19 Oct. 630/1 The ratio of the pyrheliometric measurements at air mass 2.5 to that at 2.0 provides a relative measure of atmospheric transmission which is independent of the pyrheliometer calibration. < as lemmas |
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