The practicality and efficiency of the technology have been verified through practical applications.
实际应用验证了该技术的实用性和有效性。
Practicality is now our great ideal, which all powers and talents must serve. Anything that is not obviously practical has little value in today's world.
实用主义是我们现在主要的追求，一切的力量和才智都必须为其服务。任何并非显著实用的东西在当今世界几乎是没有价值的。
Practicality is now our great idol, which all powers and talents must serve. Anything that is not obviously practical has little value in todays world.
适用主义是我们如今次要的追求，一切的力气和才智都必需为其效劳。任何并非明显适用的东西在当今世界简直是没有价值的。
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