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- The average illumination level is approximately 500 lux at desk-top level. 平均桌面照明度约为500 lux。
- The average illumination, air temperature and ground temperature of the field of intercropping of apricot and wheat were lower than those of monoculture field. 杏麦间作田的光照强度、气温、地温均小于小麦单作田。
- The average illuminance over the reference surface at the end of the complete maintenance cycle. 灯具在维护周期末期在参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. 道路照明系统中，平均亮度与平均照度的比值。
- It is the ratio of the specified minimun illuminance to average illuminance on the lighted surface. 规定的被照明表面上的最小照度平均照度之比。
- 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. 照明装置使用一定时间后工作面上的平均照度，与通常认作是新照明装置在相同条件下得到的平均照度之比。
- The illumination in this room is very bad. 这个屋子的照明很不好。
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- The illumination of the manuscript is delicate. 这个手稿的装饰很精致。
- The average output of the factory is 20 cars a day. 该工厂的平均产量是每天20辆汽车。
- His income is well below the average. 他的收入大大低于平均水平。
- We fail one student per year on average. 我们平均每年有一个学生不及格。
- Meals average out at 5 per head. 膳食平均每人5英镑。
- On average we receive five letters each day. 我们平均每天收到五封信。
- Each household sold, on the average, two pigs. 平均每户交售了两口生猪。
- Our reps make on average six calls day. 我们的销售代表平均每天打六次电话。
- His work at school is below the average. 他的学业成绩在一般水平以下。
- The readings we took were well above average. 我们记录的读数远远高於平均数。
- Tom's work at school is above the average. 汤姆的功课是中上等水平。
- On average, 15 worth of goods is stole every day. 平均每天被窃取的货物价值为15英镑。
