The errors of drilling data are so big that simple methods often can't acquire necessary information, which is used in drilling engineering plan and site construction.

由于钻井数据的误差较大，使得用简单的方法往往不能有效地提取工程设计和现场施工所需的信息。

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Engineering information is the source of the operation work of construction enterprises.

工程信息是施工企业经营工作的源头。

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To meet the needs of protective forest engineering construction and management, it is necessary to develop the forest resources management information system.

为满足各级林业部门防护林建设工程管理的需要，研制开发防护林森林资源管理信息系统已经十分必要。

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