Therefore, studying the subject has very important scientific value and social economy benefit.
因此，进行该课题的研究具有重要的科学价值和社会经济效益。
Each scheme had reached a good economic benefit and has a fairly spread value.
各方案已取得了较好的经济效益，具有一定的推广应用价值。
Each scheme had reached a good economic benefit and has a fairly spread value.
各方案已取得了较好的经济效益，具有一定的推广应用价值。
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