The idea of even testing such a system scares many people, and some scientists argue that climate-engineering research should remain theoretical.
只是测试这个系统就吓倒了许多人，一些科学家认为，气候工程研究应停留于理论层面。
The results of this research and testing have important theoretical and practical values for directing to the design and construction of similar structures.
研究结果对指导该类构筑物的设计与施工有着重要的理论与工程实用价值。
Recycling of waste concrete is still in the pilot phase of exploration in our country, testing research of recycled concrete has important theoretical and practical value.
废弃混凝土的再生利用在我国还处于探索试验阶段，对再生混凝土进行试验研究具有重要的理论意义和实用价值。
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