Prove this is a scientific and practical method by example.

通过实例证明，该方法科学实用。

youdao

These theories and technic have been proved to be advanced, scientific and practical.

实践证明这些理论与技术方法先进、科学、有实用价值。

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The application of this method in Shuichang open pit shows that this method is scientific and practical.

该爆破性分区已在首钢水厂铁矿应用。实践证明，分区方法科学、实用。

youdao

The purpose of the project is to bring together the state-of-the-art in scientific and practical knowledge on SSM and to make that knowledge available through a practical training course.

UNESCO: OFFICE IN VENICE

Preference should be given to candidates who have contributed through both scientific and practical work, and who have made outstanding contributions to the hydrology community as demonstrated by active involvement in the work of IAHS or other international hydrological associations.

UNESCO: Apply for UNESCO Prizes

Of all these "whacky-but-workable" theories the one that has perhaps generated the most interest, both in terms of scientific plausibility and practical implementation, is that of solar reflection.

CNN: The shield of Ra: Could solar reflection save the planet?