这是因为在弱光环境中眼睛对不同调子区分能力降低。
The eye has a harder time differentiating two values in lower light.
自动调整图像的某些部分，以提高在弱光环境下的可视性。
Automatic adjustment of image parts to improve visibility in low light conditions.
反光后方氯丁橡胶的口袋里，在弱光环境下的可视性选项卡。
Reflective rear neoprene pocket and tabs for visibility in low light conditions.
由高精硅脂制成，这款便携键盘非常便于携带，荧光设计更可以让其在弱光环境下作业。
Made from high quality silicone material, flexible keyboard is extremely portable so that users can bring it everywhere. The illuminated design makes it useful in low-light environments.
不幸的是，在弱光环境下手持相机拍摄是有一定难度的，得到的往往是一张模糊不清的照片。
Unfortunately, hand holding a camera in low light can be extremely difficult and many honest attempts result in soft images.
以性状稳定的4个番茄品系为试材，利用模拟弱光环境研究弱光对番茄生长发育及产量的影响。
The growth and yield during different developing periods of 4 stable inheriting tomato strains were investigated under low light environment (50 % light intensity of control).
说明葡萄幼苗能够对弱光环境产生适应性变化，其蒸腾特性的变化与其气孔结构的变化相关，具有一致性。
Our results showed that young grape plants were able to adapt to a low light environment, and their leaf transpiration characteristics were correlated with stomatal structure.
NEX-5在一个主要方面的表现甚至比昂贵的单反更为出色：由于它在弱光环境中优秀的成像质量，Sony的工程师决定不设内置闪光灯。
The NEX-5 even trumps an expensive SLR in one key respect: It is so adept at low-light shooting that Sony’s engineers decided to design the camera without a built-in flash.
NEX-5在一个主要方面的表现甚至比昂贵的单反更为出色：由于它在弱光环境中优秀的成像质量，Sony的工程师决定不设内置闪光灯。
The NEX-5 even trumps an expensive SLR in one key respect: It is so adept at low-light shooting that Sony’s engineers decided to design the camera without a built-in flash.
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