The Snake Nebula, silhouetted against ancient stars massed near the nucleus of our galaxy, which is about 25, 000 light years away.
蛇形星云，它的轮廓与聚集在我们星系中心的古老恒星逆向，约25,000光年远。
The observations showed that there are two kinds of neurons (dark and light) in the arcuate nucleus which might be responsible for producing both dopamine and releasing hormones.
观察结果表明：在弓状核内有暗细胞和亮细胞两种神经元，它们可能兼具产生多巴胺和释放激素的功能。
The nucleus of light cells were larger than that of dark cells.
亮细胞和移行细胞的细胞核明显大于暗细胞。
The majority of RGCs projecting to suprachiasmatic nucleus express melanopsin and show light sensitive.
投射到视交叉上核的视网膜节细胞多表达黑视蛋白且具有光敏感性。
The calculation result shows that for the scattering on light nucleus, there is no second diffractive maximum, but on heavy nucleus, there is a second diffractive peak.
计算结果表明，J粒子在轻核上的散射，没有出现第二个衍射峰；而J粒子在重核上的散射出现第二个衍射峰。
The pathological ultrastructure alteration of endothelium in microvessel the endothelial cell in blood vessel in astragalus group had light swelling with complete membrane and basic normal nucleus.
微血管内皮超微病理改变：黄芪组血管内皮细胞轻度肿胀，膜完整，核基本正常。
The nucleolus is the most obvious structure seen in the nucleus of a eucaryotic cell when viewed in the light microscope.
核仁是在光学显微镜下看到细胞核中最明显结构。
The nucleolus is the most obvious structure seen in the nucleus of a eucaryotic cell when viewed in the light microscope.
核仁是在光学显微镜下看到细胞核中最明显结构。
应用推荐