| 单词 | safety factor |
| 释义 | > as lemmassafety factor safety factor n. a margin of security against risks; (Engineering) the ratio of the strength of a material or structure to the maximum load or stress that it is expected to bear. ΘΚΠ the world > matter > constitution of matter > strength > [noun] > ratio of ultimate to working strength safety factor1873 1873 Jrnl. Franklin Inst. Apr. 253 (heading) Safety Factor.—In conclusion, I would call the attention of the Institute to the factor of safety for boilers as being entirely too low. 1921 Sci. Abstr. B. 24 189 The fact that spark-over has not occurred through such mishandling, is because the safety factor as employed at present is high. 1973 C. Sagan Cosmic Connection (1975) iii. 17 Its orbit [sc. that of Pioneer 10] was not disturbed by an errant asteroid—the safety factor was estimated as 20 to 1. 2006 Times Union (Albany, N.Y.) (Nexis) 15 Oct. a1 Dam Concerned Citizens is pressing for the new dam to be built to a safety factor of 2, or twice as strong as the load it typically faces. < as lemmas |
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