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A difference in character of the annual variation of atmospheric pressure between these periods also suggests a shift of mean position of the subtropical high pressure belt. DOI: 10.1071/ph530209 被引量: 31 年份: 1953 收藏 引用 批量引用 报错 分享 ...
这些研究人员首先在一组称为Beltanelliformis的小型圆形埃迪卡拉动物化石上测试了这一想法。 他们从岩石中取出这种薄膜,溶解它,并使用气相色谱和质谱法寻找保存下来的有机分子。 他们在今年1月份报道,他们发现了高水平的藿烷(hopane)分子,这些分子提示着这些圆形化石是蓝细...
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我过去在暑假期间常常起得很晚,但现在习惯了早起,因为我的住处和办公室相距20千米。 21. Last year, my total income, with my reward added(add) to, added up to 15,000 Yuan, which didn’t deserve what I did. 去年我的总收入,加上奖金,总...
Stephen Brawer considers that China has played a decisive role in bringing the peace and stability to the world because of the economic power that China has developed over the last 40 years. He suggested that more and more countries are willing to join the Belt and Road Initiative. “The Bel...
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