漂白：(1)照相材料的化学处理方法。它把黑色金属银粒的影像变成无色的银粒复合物。
Bleaching: (1) Chemical process on photographic materials, which converts the black metallic silver image into a colourless silver complex.
目的探讨颅内动脉瘤破裂出血后在其破口周围所形成的假性动脉瘤与真性动脉瘤复合体的DSA影像学特征及分型。
Objective To discuss the DSA imaging characteristic and classification of the false aneurysm and true aneurysm complex at the rupture position after intracranial aneurysmal subarachnoid hemorrhage.
从深空的影像中显示，在猎户座分子云复合体之中，延展的云气丝藏了无数的黑暗星云到星团的补丁。
A deep exposure shows everything from dark nebula to star clusters, all imbedded in an extended patch of gaseous wisps in the greater Orion Molecular Cloud Complex.
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