Although we often consider the modern world to be a time of opportunities, freedom and advanced technology, there have been some periods in history that represent high points in human achievement.

尽管我们常常认为当代世界是一个充满了机遇，自由和先进技术的时代，但历史上曾经有一些时期代表了人类成就的高点。

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It takes extremely lofty position in the Chinese and world science and technology history and its influence is extremely profound.

其在中国及世界科技史上的地位是极其崇高的，影响亦是极其深远的。

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Some technology application recorded in the book is regarded the earliest in the world, boasting the value of important materials for the history of science and technology.

书中记载的一些科技应用为世界第一，具有重要的科技史料价值。

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Why does a city and a country which have played such a huge part in the history of the computer, still produce so few world-class technology companies?

BBC: Why can't the UK produce world-beating tech companies?