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Marconi was the first to develop a practical method for wireless telegraphy using radio waves.

马可尼是第一个开发出利用无线电波进行无线电报传输的有效方法的人。

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A practical method of on-line sensitivity analysis and optimal calculation is introduced.

文中引入了一种实用的在线灵敏度分析和优化计算的方法。

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Whether the system can then be turned into a practical method of drug delivery is more questionable.

ECONOMIST: Drug delivery

Stopping exploits rather than cleaning up the malware they leave behind may be a more practical method of preventing PC infections, Moy argues, given that only a few thousand unique exploits appear every year, while more than 30, 000 new strains of malware appear every day.

FORBES: Connect