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- a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions. 光通量单位等于一国际烛光照射在距离为一厘米面积为一平方厘米的平面上的光通量。
- The Control and Implementation of the Scenery Picture Projected by Point Source of Light 点光源视景图像的控制与实现
- Whatever gives off light is termed the source of light. 凡是能放射光的东西称为光源。
- A common laboratory source of light is provided by a mercury arc. 通常的实验室光源选用汞弧灯。
- point source of light 点光源
- And if the point source is below the mid-plane, then upward optical transmission of light through clods will be related closely to the distance of the source below the mid-plane. 而当该源在云几何中位面上方时，其向上穿云透射比与该源到其几何中位面的距离密切相关。
- He reduces a vast, complicated tangle of problems to a single point source of evil: the Communist Party. 他将一堆巨大复杂犬牙交错的问题简化为一个万恶之源：共产党。
- Growth or movement of a sessile organism toward or away from a source of light. 向光性，趋光性无柄（固着）的生物朝向或远离某光源生长或运动的特性
- According to some reports, point source of pollution is the dominant COD source in the 2nd Songhua and the Main Songhua Basins. 根据一些研究结果，在第二松花江和松花江主河道上，点源污染是COD显著的来源。
- The movement of an organism or a cell toward or away from a source of light. 趋光性有机物或细胞移向或躲避光源的运动
- An AGN is a luminous and compact source of light at the center of a galaxy. AGN是个位于星系中心、绽放著耀眼光芒的致密光源；
- Laboratory experiments were conducted to study the effects of fertigation strategies on water and nitrogen distribution from a surface point source of ammonium nitrate. 以一种砂粒含量高达95%25的砂土为对象,开展了滴灌施肥灌溉条件下,灌水器流量、灌水量和系统运行方式对水分、硝态氮和铵态氮分布影响的室内试验。
- The portrait shows fine effects of light and shade. 这幅肖像画的浓淡色调表现得很好。
- A diffuse, pear-shaped image of a point source. 基于一点呈散开的、梨状的一种表现形式
- A source of light, as a candle. 光源光源，如蜡烛
- He can see a glimmer of light through the curtain. 他能透过窗帘看到一丝微光。
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- Aluminum is a kind of light silvery metal. 铝是一种轻薄并呈银色的金属。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- The plant was starved of light and died. 这株植物因为极度缺乏光照而死了。
