Based on the analysis for propagation characteristics of the light traveling in water,several essential factors in underwater photography,such as energy attenuation,field loss and water proof,are discussed.
通过对光在水中传播特性的分析,讨论水下摄影中需要特殊考虑的关键因素,如光能衰减、镜头视场损失和内腔防水等,分析普通相机加隔水窗后在水中拍摄时像质变差的规律。
Underwater photography is also important in mapping parts of the ocean floor.
水下摄影在绘制部分海床图时也是很重要的一个方法。
remote-controlled underwater television camera
遥控水下电视摄影机
Design for Special Underwater Photography Objective Lens with Wide Angle and Large Relative Aperture
大视场大相对孔径水下专用摄影物镜的设计
watertight camera for submarine cinematography
海底拍摄用防水电影摄影机
photographic grade sodium carbonate, monohydrate
摄影用碳酸钠（一水合物）
There was nothing yet for the satellite cameras to pick up.
人造卫星摄影机没有摄下任何东西。
towed underwater TV-camera system
拖曳式水下电视摄像系统
Water freezes when the temperature falls below 0℃.
温度降至摄氏零度以下时,水就结冰。
Effect of Different Levels of Iodine Intake on Brain Development in Rat Offspring;
不同碘摄入水平对仔鼠脑发育的影响
Effect of calcium intake on serum cholesterol in hypercholesterolemic rats
钙摄入量对大鼠血浆胆固醇水平影响
Effect of Dietary Chitosan on Level of Lead in Mice
摄食壳聚糖对小鼠体内铅水平的影响
a photographer who operates a movie camera.
操作电影摄影的摄影师。
It is now the matriarch of a veritable family of Mars spacecraft.
另外，火星漫游号已绕轨一年多，它会测量地下含水量并拍摄红外线影像。
Photographers could not record their faces.
摄影师没能拍下他们的脸。
The director look down at the actor from the dolly.
导演从摄影车上看下面的演员。
The production unit of the Beijing Film Studio will leave Beijing for other parts of the country to film the exterior next month.
北影摄制组下个月去外地拍外景。
A Characteristic Studying in Advertising Photography Communication under Digitization Background;
数字化背景下广告摄影传播特点研究
An exploration of exposure parameter for CR image splicing of total length lower extremities
CR下肢全长图像拼接摄影参数的探讨