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- The average illuminance over the reference surface at the end of the complete maintenance cycle. 燈具在維護周期末期在參考表面上的平均照度。
- Ratio of the average luminance (in cd/m2) to the average illuminance (in lux) of a road lighting installation. 道路照明系統中，平均亮度與平均照度的比值。
- It is the ratio of the specified minimun illuminance to average illuminance on the lighted surface. 規定的被照明表面上的最小照度平均照度之比。
- Thus, not only did greenhouse gases have to make up for a fainter sun, they also had to maintain average temperatures considerably higher than today's. 因此，溫室氣體除了必須補償微弱的日照之外，還得維持比現今高出一截的平均溫度。
- Ratio of the average illuminance on the working plane after a specified period of use of a lighting installation to the average illuminance obtained under the same conditions for a new installation. 照明裝置使用一定時(shí)間后工作面上的平均照度，與通常認作是新照明裝置在相同條件下得到的平均照度之比。
- The average illumination level is approximately 500 lux at desk-top level. 平均桌面照明度約為500 lux。
- They all maintained a reverent silence. 他們都保持肅靜。
- The average illumination, air temperature and ground temperature of the field of intercropping of apricot and wheat were lower than those of monoculture field. 杏麥間作田的光照強度、氣溫、地溫均小于小麥單作田。
- The average age of the boys in this class is fifteen. 本班男生的平均年齡是十五歲。
- He maintained close ties with the masses. 他和群眾保持著(zhù)密切的聯(lián)系。
- The car has to be constantly maintained. 汽車(chē)必須經(jīng)常保養。
- The average output of the factory is 20 cars a day. 該工廠(chǎng)的平均產(chǎn)量是每天20輛汽車(chē)。
- He maintained his dignity throughout the trial. 在整個(gè)審訊過(guò)程中他始終不失尊嚴。
- They maintained only formal unity among themselves. 他們只在表面上保持一致。
- His income is well below the average. 他的收入大大低于平均水平。
- They maintained that ghosts had no substance. 他們認為鬼魂不是實(shí)物。
- We fail one student per year on average. 我們平均每年有一個(gè)學(xué)生不及格。
- Meals average out at 5 per head. 膳食平均每人5英鎊。
- She maintained her equanimity throughout her long ordeal. 她在長(cháng)期的苦難中心情一直都很平靜。
- On average we receive five letters each day. 我們平均每天收到五封信。
