河南的历史文化资源具有历史悠久、分布广泛、类型齐全、档次高、可观赏性强等特点。
Henan's resources of historical culture are characterized by long history, wide distribution, rich category, high grade, and so on.
实践证明，这一新技术实用性强，并获得了可观的经济效益。
Practice has proved that this new technology is practice significance and the great economic benefits can be achieved.
并认为太古宙绿岩带铁-铀型铀矿矿体埋藏深、隐伏性强、盲矿体多，潜在的找矿前景相当可观。
It is considered that ore bodies buried deeply in iron-uranium type uranium deposit in Archean greenstone belt, have many blind ore bodies, the prospecting potential is very great.
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