But experts have not yet clearly defined whether or not physical activity has an effect on those with Alzheimer's.

然而专家尚未明确指出躯体运动能否对阿尔茨海默病患者产生这些作用。

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The concept of HVE (Higher Vocational Education) has not yet been defined clearly.

高等职业教育概念迄今尚未明确界定。

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Since legal aspects of collective intellectual property rights were not yet clearly defined, it was decided not to include intangible cultural heritage expressions under the scope of the 1972 Convention.

UNESCO: Intangible Cultural Heritage

The EU officials conceded the package was, in effect, a structure or box and the contents were yet to be clearly defined.

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