| 单词 | range-finding |
| 释义 | > as lemmasrange-finding range-finding n. (a) Military and Geography the action of estimating the distance from a target or subject (cf. rangefinder n.); (b) Biology and Pharmacology the action of estimating the range of dosages over which a substance has (or does not have) a given physiological effect, esp. toxicity. ΘΚΠ society > armed hostility > military equipment > operation and use of weapons > action of propelling missile > discharge of firearms > management of artillery > [noun] > ranging by range-finder range-finding1874 1874 J. R. Campbell (title) Range finding for the service of artillery. 1890 F. A. Abel Presid. Addr. Brit. Assoc. 11 The applications of electricity in connection with range-finding. 1946 Jrnl. Inst. Electr. Engineers 93 i. 378/2 A corresponding advance in precision of range-finding was achieved by Pollard in work..on the radiolocation equipment for the laying of heavy anti-aircraft artillery. 1971 Nature 16 Apr. 460/2 Range-finding experiments have shown that the maximal tolerated doses of propylene imine and propane sultone, in distilled water,..were 20 mg/kg and 56 mg/kg, respectively. 2003 S. Greenfield Tomorrow's People (2004) viii. 218 Lasers are good for communications guidance and range-finding. < as lemmas |
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