Obtain exploration rights, explore related area, get positive results, sell exploration right and get profit--- this is one of the profit patterns of geological and prospecting enterprises.
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Obtain exploration rights, explore related area, get positive results, sell exploration right and get profit--- this is one of the profit patterns of geological and prospecting enterprises.
得探矿权，勘查相关区域，取得勘查成果后卖出探矿权获利，是勘查企业矿权经营的主要盈利模式之一。
Staging area under the study's conclusions, grinding trench burial of cultural studies on the role of regulating the family, and then explore the culture and the related archaeological Qijia culture.
根据分期分区研究的结论，探讨磨沟墓地对齐家文化研究的作用，进而讨论齐家文化与相关考古学文化的关系。
Objective To assess the epidemiologic characteristic of childhood unintentional injuries aged 0-6 in rural area and explore related factors and provide guide for injury prevention and intervention.
目的探讨农村地区0～ 6岁儿童意外伤害流行病学特征及影响因素，为开展伤害预防干预提供依据。
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