无穷维空间的凸微分分析的研究已有近七十年的历史。
The convex differential analysis in infinite-dimensional spaces has been studied almost seventy years.
时隔七十年后，纳普斯特的例子告诉我们，正如威廉姆·罗宾逊所指出的，“对录制音乐收费的短暂时期即将成为历史。”
Seventy years later, Napster showed us that, as William Gibson noted, “Wemay be at the end of the brief period during which it is possible to charge forrecorded music.”
他也是在有七十年历史的肖邦国际钢琴比赛中第一位获此荣誉的中国钢琴家。
He was also the first Chinese pianist in the 70-year history of the Chopin International Piano Competition to win this prize.
上个世纪七十年代在联邦德国文坛出现的“新主体性”文学，是一个有其历史特殊性的文学现象。
The "new subjectivity" literature, which first appeared in FRG in the 1970s, is a literary phenomenon with its particular historical meanings.
第三部分是结论部分。通过以上的分析和论述，总结出美国六、七十年代发生的重大历史事件和社会思潮对美国中产阶级造成的巨大影响。
The third part draws a conclusion, which sums up the above analysis and discussion, and restates the influence of historical events and the trends of thoughts on middle class Americans.
时间跨度很大，一台两小时的戏浓缩了七十年历史。
The time span is the fourth recommended point. It represents 70 years' history in two hours' time.
通过2020年还提供了2014年期间年度估计和预测，七十年历史的分析提供了这些市场。
Annual estimates and forecasts are provided for the period 2014 through 2020. Also, a seven-year historic analysis is provided for these markets.
对世卫组织的要求要十数倍于本组织近七十年来历史上曾经经历的情况。
The demands on WHO were more than ten times greater than ever experienced in the almost 70-year history of this Organization.
从二十世纪七十年代初开始，人们就开始研究装箱问题，至今已有近四十年的历史。
The BPP has aroused man's attention from the early 1970s, and it has been studied for nearly forty years.
从二十世纪七十年代初开始，人们就开始研究装箱问题，至今已有近四十年的历史。
The BPP has aroused man's attention from the early 1970s, and it has been studied for nearly forty years.
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