1) optically dark area(ODA)
光学暗区(ODA)
2) dark light zone
暗光区
1.
According to the demands of crop and livestock for sunlight illumination condition,4 zones,namely,dark light zone,weak light zone,moderate light zone and strong light zone were divided.
参照农业生物生长发育与太阳光照条件的关系,并根据试验资料,把太阳光照条件划分为暗光区、弱光区、中光区和强光区4级,其光照度分别为≤7×102,7×102~2×104,2×104~5×104,>5×104lx。
3) dark photochemistry
暗光化学
4) optical components of dark background
暗背景光学元件
1.
The advantages of optical components of dark background are presented.
本文讨论了影响等厚条纹对比度的原因，指出了暗背景光学元件的优点。
5) Dark area
暗区
1.
This method can make up for the shortcoming of traditional method,resulting from blue dark area in colonscope image through estimating the circle centers.
提出用三次B样条小波的多尺度边缘检测算子对结肠镜图像的亮度分量I进行边缘提取 ,找出所有类似圆弧状边缘线的圆心经加权求和后得到内窥镜图像暗区真正的中心点 ,弥补了传统方法中因暗区不明显而无法确定中心点的不足 ,并用所求的中心点来引导肠镜前端导管 ,起到导航的作
2.
The resolution of a series of insecurity factors caused by illumination dark area when automobiles run in the condition of visibility worst was investigated.
探索了汽车在可见度极差的条件下行驶,由于光照暗区带来的一系列不安全因素的解决方法。
6) light/dark
光/暗
1.
Roles of ethylene and H_2O_2 in light/dark-regulated stomatal movement
乙烯和H_2O_2在光/暗调控气孔运动中的作用
2.
Role of CO in light/dark-regulated stomatal movement of Vicia faba and interrelationship between CO and NO,H_2O_2
CO在光/暗调控蚕豆气孔运动中的作用及其与NO、H_2O_2的相互关系研究
3.
Though previous studies suggest that both H_2O_2 and NO can effect stomatal movement, the role of H_2O_2 and NO in light/dark-, cytokinin- and auxin-regulat.
前人已经证明H_2O_2和NO都能影响气孔运动,但是二者是否参与光/暗调控的气孔运动还不清楚。
补充资料：暗区
暗区
超声学术语。在声像图中，范围超过1cm的无回声或低回声区域。通过加大灵敏度或应用直方图的方法又可区分为实质性暗区和液性暗区。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条