fluorescent tube | 光管英文
Inpracticetheideallinesourceis[...]difficulttoobtainfromfluorescenttubeandtheshapeofthe[...]distributioncurvedependson[...]thesizeofthesourceinrelationtothefocallengthandmouthwidthofthereflector.devb.gov.hk 實際上,理想的線光源是很難從光管處取得的,而分布曲線的形狀須取決於由反射鏡的焦距及開口闊度所造成的光源大小。devb.gov.hk Butifyourofficelighting[...]originallyhadT5fluorescenttube,thenreplaced[...]withLEDlampswhentheofficelighting,backtothetimelonger.stdeli.com 但如果你的办公室...
In practice the ideal line source is
[...] difficult to obtain from fluorescent tube and the shape of the [...]distribution curve depends on
[...]the size of the source in relation to the focal length and mouth width of the reflector.
devb.gov.hk
實際 上,理想的線光源是很難從光管處取得 的, 而分布曲線的形狀須取決於由反射鏡 的焦距及開口闊度所造成的光源大小。devb.gov.hk
But if your office lighting
[...] originally had T5 fluorescent tube, then replaced [...]with LED lamps when the office lighting, back to the time longer.
stdeli.com
但如果你的办公室照明原本就已经使用 T5萤 光灯管, 那么 替换 为LED灯具来当办公室照明的话,回本的时间就更长。stdeli.com
At the same time, we have initiated a
[...]three-year programme to replace older lights with more
[...] efficient T5 fluorescent tubes in Exit Signs [...]for some 500 buildings.
housingauthority.gov.hk
同時,我們亦已展開為期三年的更換計劃,為約500座大廈的出口指示燈牌換上較 省...