英语词汇“daylight factor”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

daylight factor n. chiefly Architecture a measure of the amount of natural light at a point within a building, calculated as the ratio of the daytime illuminance on an interior plane surface to a standard external illuminance equivalent to that on a horizontal plane surface under an unobstructed overcast sky.

ΚΠ

1915 Memorandum 1st Rep. Departmental Comm. Lighting in Factories p. vi, in Parl. Papers 1914–16 (Cd. 8000) XXI. 539 The ratio of the actual value of the illumination to this enhanced value, expressed as a percentage, is termed the daylight factor, and is a measure of the lighting efficiency of the building at the point under consideration.

1958 Listener 23 Oct. 642/2 Plot ratios and daylight factors are now everyday tools at the disposal of the designer.

2001 S. Roaf et al. Ecohouse (2002) i. 15 The view that buildings are fixed also fits well with certain types of scientific analysis, of daylight factors, energy flows, U-values, mechanical ventilation and so on.

单词	daylight factor
释义	> as lemmas daylight factor daylight factor n. chiefly Architecture a measure of the amount of natural light at a point within a building, calculated as the ratio of the daytime illuminance on an interior plane surface to a standard external illuminance equivalent to that on a horizontal plane surface under an unobstructed overcast sky. ΚΠ 1915 Memorandum 1st Rep. Departmental Comm. Lighting in Factories p. vi, in Parl. Papers 1914–16 (Cd. 8000) XXI. 539 The ratio of the actual value of the illumination to this enhanced value, expressed as a percentage, is termed the daylight factor, and is a measure of the lighting efficiency of the building at the point under consideration. 1958 Listener 23 Oct. 642/2 Plot ratios and daylight factors are now everyday tools at the disposal of the designer. 2001 S. Roaf et al. Ecohouse (2002) i. 15 The view that buildings are fixed also fits well with certain types of scientific analysis, of daylight factors, energy flows, U-values, mechanical ventilation and so on. extracted from daylightn. < as lemmas
随便看	chasing staff chasing up chasing-chisel chasing-hammer chasing-lathe chasingchisel chasinghammer chasinglathe chasings chasm chasmal chasmatical chasmed chasment chasmic chasmogamic chasmogamous chasmogamy chasmophyte chasms chasmy chassagne chasse chasse-café chasse-marée

> as lemmas