累进中性密度滤镜将保证你照片里的天空不会曝光过度。
A graduated neutral density filter will also help you make sure the sky isn't overexposed.
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 density of neutral atoms in the band is two to three times that in adjacent regions.
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 test proves that the density of ion flowing and the ratio of ions to neutral particles are important testing coefficients.
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。
The density profiles of three energy components in neutral beams are derived from the image peaks in the CCD (Charge Coupled Device) camera pictures.
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 electron density, the electron -neutral inelastic collision rates, the electron energy and the electron flux distribution are calculated.
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。
Such devices have high energy density delivery capacity combined with the favourable properties of a neutral organic plastic crystal matrix such as succinonitrile.
目的比较免疫磁珠法和密度梯度离心法分离纯化人外周血中性粒细胞的可靠性。
Objective To compare the reliability of immunomagnetic beads and density gradient centrifugation in purification and isolation of neutrophilic granulocytes from human peripheral blood.
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。
The average electron density in linear attenuation zone is about 10 ~ (-5) of neutral particle density, and can overcast wider area.
CD 37同样也低密度的存在于静止或活化t细胞，中性粒细胞，单核细胞以及骨髓单核细胞性白血病细胞膜上。
CD37 is also present, at low densities, on resting and activated t cells, neutrophils, monocytes, and some myelomonocytic leukemia cells.
另外，群落谱系结构研究还有助于探讨中性理论、密度制约假说等生态学 理论， 并预测干扰作用下的群落演化趋势。
Phylogenetic information also indicates the influence of environmental factors and studying community phylogeny at the metacommunity level helps to understand regional ecological processes.
另外，群落谱系结构研究还有助于探讨中性理论、密度制约假说等生态学 理论， 并预测干扰作用下的群落演化趋势。
Phylogenetic information also indicates the influence of environmental factors and studying community phylogeny at the metacommunity level helps to understand regional ecological processes.
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