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。
The density of neutral atoms in the band is two to three times that in adjacent regions.
这条窄带上的中性原子的密度比相邻区域高出2到3倍。
The test proves that the density of ion flowing and the ratio of ions to neutral particles are important testing coefficients.
试验证明，试样台上的离子流密度及离子与中性粒子的比例是重要的试验参数。
The density profiles of three energy components in neutral beams are derived from the image peaks in the CCD (Charge Coupled Device) camera pictures.
利用CCD(电荷耦合装置)相机所成象的光强度峰值拟合中性束中三种能量成分的空间密度分布。
Such devices have high energy density delivery capacity combined with the favourable properties of a neutral organic plastic crystal matrix such as succinonitrile.
这样的装置具有高的能量密度提供能力并兼具中性有机塑性晶体基质例如丁二腈的有利性能。
The electron density, the electron -neutral inelastic collision rates, the electron energy and the electron flux distribution are calculated.
计算了电子的密度分布，电子与中性粒子的非弹性碰撞速率，以及电子能量和电子通量分布等。
The average electron density in linear attenuation zone is about 10 ~ (-5) of neutral particle density, and can overcast wider area.
平缓衰减区中的平均电子密度约为中性分子密度的十万分之一，并且可以覆盖较大范围。
By taking the neutral hard sphere-charged hard sphere mixture as reference fluid, an EOS for density calculation is developed with perturbation theory.
以硬球-静电硬球为参考流体，采用微扰理论建立了电解质溶液的状态方程。
By taking the neutral hard sphere-charged hard sphere mixture as reference fluid, an EOS for density calculation is developed with perturbation theory.
以硬球-静电硬球为参考流体，采用微扰理论建立了电解质溶液的状态方程。
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