This article focuses on both the theoretical and experimental issues of green GDP.

本文就以绿色GDP的理论和实践情况作为研究内容。

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So, exploring the problems of the school management on the bureaucratic orientation and the humanistic orientation has both theoretical and practical significance.

因此，探讨学校科层管理取向与人本管理取向的有关问题，是既有理论意义，又有实践意义的课题。

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Translation needs to be practices in an academic environment in which trainees work on both practical tasks under the supervision of their teachers and theoretical aspects to enhance their knowledge.

翻译要在良好的学术氛围中进行，翻译实践者一方面需要在导师的监督下，进行翻译任务的实践，另一方面需要学习理论，增强知识。

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Therefore, education on human rights and the dissemination of proper information, both theoretical and practical, play an important role in the promotion and respect of human rights with regard to all individuals without distinction of any kind such as race, sex, language or religion, and this should be integrated in the education policies at the national as well as international levels.

UNESCO: Vienna Declaration and Programme of Action

The two studies have opened a genuine conceptual and theoretical debate on both topics.

UNESCO: MEDIA SERVICES

The debate is not theoretical and is already having practical implications on both utilities and energy developers.

FORBES: Water Shortages May Leave Energy Producers Dying of Thirst