So research on wind solar hybrid Power system has important theoretical signification and utility value.
因此对风光互补发电系统研究具有重要的理论意义和实用价值。
The research provides a novelty way of developing a new type of cooling agent and evaporative cooling transformer, and has a certain theoretical and practical signification.
本研究为开发新型制冷介质和研制蒸发冷却变压器提供了一条新颖的途径，具有一定的理论与实践意义。
The theoretical research in the paper will have important instructing signification on designing DDS of high precision and low noise.
本文的理论研究对设计高精度、低噪声的DDS具有重要的指导意义。
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