The acrosome in the head was spheral in shape, and there was only one mitochondria in the mature sperm.
核染色质凝集成团
,
部不
,线粒体融合成1
环绕
部。
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研究生考试英语阅读真题
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季 The researchers said the effects of planet-warming gasses would be most severe for the poorest citizens in some of the least developed countries. These people generally eat the most rice and have the least complex diets, they noted.
研究人员说,在
些最
发达国家,温室气体对贫困人群的影响最为严重。他们指出,这些人通常吃的米饭最多,而且饮食结构最单
。
The China International Import Expo has given companies from Least Developed Countries a premier platform to showcase their products and expand businesses, helping create more local jobs and improve their quality of life, said exhibitors at the ongoing sixth CIIE.
正在参加第六届中国国际进口博览会的参展商表示,进博会给最
发达国家的企业提供了
个展示产品和拓展业务的绝佳平台,帮助创造更多本地就业机会和提高他们的生活质量。
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境
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