本文以中华年夜蟾蜍(Bufo gargarizans Cantor)的视觉体系为研讨对象，具体不雅察和描写了中华年夜蟾蜍正常视网膜的构造和毁伤后视神经后分歧时代视网膜的构造，分离对正常视网...
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To study the effects of UVB on development of early stage embryos of amphibian, two-cell stage embryos of Bufo bufo gargarizans Cantor were irradiated by UVB with various intensity and time.
为了研究UVB对两栖类动物早期胚胎发育的影响，以中华大蟾蜍为研究对象，用UVB分别以不同强度和不同时间照射其二细胞期胚胎，观察记录胚胎的发育过程、统计死亡率并在形态学上对UVB照射诱导的畸胚进行分析。
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