尽管如此，实践与理论之间存在着巨大的差距，一不留神就会犯下错误。
But the gap between theory and practice leaves lots of room for mistakes.
第四媒体即因特网对新闻传播的实践与理论，产生了深广的影响。
The fourth medium, namely the Internet, has a great influence on the practice and theory of news propagation.
挂网试验实践与理论均表明，非线性用户的电能总是少计，直接影响了供电企业的经济利益。
It has been proven that the metering energy is less than the real consumed energy for non-linear utilities both in theory and on the test results, reducing the incoming of electric power company.
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