neutral filter working standard 中性滤光片工作标准
neutral filter glass 中性玻璃滤光片
Neutral density filter 中灰密度滤光镜 ; [光] 中性密度滤光片 ; 减光镜 ; [摄] 中性灰滤光片
neutral colour filter 中性滤色器 ; 中性滤光片 ; 中性滤色镜
Neutral-filter coating 中性滤光膜
gradient neutral density filter 陡度中性密滤光片
fixed neutral density filter 固定中密度滤光器
graduated neutral-density filter 渐变中灰密度滤光镜
graded neutral density filter 分级中性滤光片
Some papers indicate that using high attenuation rate neutral filter can expand the measuring range of CCD.
多篇文献提出在CCD前加高衰减率的中性滤光片来扩大测温范围。
A graduated neutral density filter will also help you make sure the sky isn't overexposed.
累进中性密度滤镜将保证你照片里的天空不会曝光过度。
When the transmission type smoke meter examination is not good with the standard neutral light filter neutral degree, this kind of affect can affect its prepare result and the actual use.
当透射式烟度计检测用标准中性滤光片的中性程度不好时，这种影响会影响其研制结果及实际使用。
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