以下为句子列表：
英文: Development period from the oosperm to the zygomorphic operculum completely closed lasts . hours at 8-℃.
中文: 在8-℃条件下,早期胚胎发育全过程共历时 .h.
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英文: Diameter of oosperm is from .mm to .8mm,its membrane is thin,velvet and lucenty with elasticity.
中文: 卵径.~.8mm,卵膜薄、光滑、透明,具弹性。
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英文: In this study, Xenopus laevis were exposed to Aroclor at doses(0, 00ng·L-, μg·L-, 0μg·L-, 0μg·L-)from oosperm to completed metamorphosis. The effects of Aroclor on metamorphic development of X. laevis were observed.
中文: 为了研究多氯联苯(Aroclor )对非洲爪蟾变态发育的影响,将非洲爪蟾受精卵暴露在一定浓度(0、00ng·L-、μg·L-、0μg·L-、0μg·L-)的Aroclor 中,直至完全变态.
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英文: It was found that,when the water temperature ranged from 0 ℃ to ℃,the embryonic development from oosperm to mature glochidia took days.
中文: 果表明:在水温0℃- ℃时,受精卵发育为膜内钩介幼虫需 d;
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英文: The study on environment hormone estimate by using chicken oosperm
中文: 鸡的受精卵进行环境激素评价法的研究(一)
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