Messier 64 (M64) has a spectacular dark band of absorbing dust in front of the galaxy's bright nucleus, giving rise to its nicknames of the "Black Eye" or "Evil Eye" galaxy.
它拥有明亮的核心区域和位于前端的壮观的黑色镶边（由尘埃组成），这些外观特征形象地赋予它“黑暗之眼”和“邪恶之眼”这两个昵称。
Black granules were scattered around nucleus in cytoplasm.
胞浆中核周见散在黑色颗粒。
At the center of the starburst rings is the Seyfert nucleus, the believed signature of a supermassive black hole that is accreting surrounding gas and dust.
人们相信，在赛费特星系的中心，存在黑洞，依据就是环绕着星系的气体和灰尘。
The organelles in yellow chlamydospores such as the nucleus were obviously visible, but invisible in black chlamydospores. The cytoplasm of black chlamydospores was occupied by a big lipid globule.
黄色厚垣孢子内细胞核等细胞器明显可见，黑色厚垣孢子内能看到一大的脂质球，细胞质被挤压至脂质球外围。
I was able to demonstrate that every big galaxy has a nucleus containing supermassive black holes.
我证明了每个大星系都有一个核心，其中包含超大质量黑洞。
For decades, astronomers have known that the eastern nucleus of Markarian 739 contains a black hole that is actively accreting matter and generating prodigious energy.
几十年来，天文学家已经知道了马尔卡良东部的原子核包含739黑洞是积极的，共生的物质和产生巨大的能量。
Results:(1) The anoxic skeletal muscle fibers was vivid red in color while the normal one was yellow and the cell nucleus was black blue.
结果：缺氧骨骼肌纤维呈艳红色，正常骨骼肌纤维呈黄色，细胞核呈蓝黑色；
Results:(1) The anoxic skeletal muscle fibers was vivid red in color while the normal one was yellow and the cell nucleus was black blue.
结果：缺氧骨骼肌纤维呈艳红色，正常骨骼肌纤维呈黄色，细胞核呈蓝黑色；
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