mean lower hemispherical intensity
平均下半球面烛光度
mean hemispherical intensity
平均半球面发光强度
Measure light intensity above and under the mangrove canopy by using the light meter.
用光照度计量度树冠上和树冠下的平均光照度。
a luminance unit equal to 1 candle per square meter measured perpendicular to the rays from the source.
亮度单位等于每平方米新烛光。
Luminance: The apparent brightness of a light source or surface observed from a specific direction, It is measured in cd/sq.cm. Also called Brightness.
亮度:光源或物体表面在一定方向观察所显现的光亮情况。以烛光每平方厘米计。
Analysis on Heterogeneous Underlying Surface Roughness Length in Semi-Arid Mountains Area of Loess Plateau,China
黄土高原半干旱区非均一下垫面粗糙度分析
altitude indicated above mean sea leve
平均海平面以上高度
reduction of temperature to mean sealevel
平均海平面温订正度
candid metre second
烛光米秒﹝光度单位﹞
a unit of illuminance on a surface that is everywhere 1 foot from a point source of 1 candle.
一支蜡烛的点光源在每英尺表面的照度的单位。
the sheen of old satin in candlelight.
旧缎子在烛光下的光泽
(2) Photographic term for the light reflected by the copy. Measured in cd/sq.cm.Also called Luminance.
（2） 照相光学名词。指从原稿反射的光线强度。以烛光每平方厘米计算。
hold a candle-light vigil for peace
为和平而举行烛光祈祷.
In the second half of last year, the average growth rate of imports was 6% to 7% higher than that of exports.
去年下半年，墨进口增长平均速度比出口高６至７个百分点。
The speed exceeds the average speed by a factor of 3.5.
该速度超过平均速度两倍半。
antenna height above average terrain
平均地表面上天线高度
She was reading by the light of a candle.
她在蜡烛光下读书。
The family dined by candlelight.
全家人在烛光下进餐。