In view of complexity of coal mining plan management, a management information system of coal mining plan is developed with J2EE platform.

针对矿井采掘计划管理的复杂性，采用J2EE平台开发了矿井采掘计划管理信息系统。

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The built models and calculation results had been applied to resource assessment, mining plan, and so on, which improved the quality of mineral deposit resource mining and the management level.

所建模型和计算结果已用于矿山资源评估、采矿计划编制及资源开采设计等工作，促进了矿床资源开采质量和管理水平的提高。

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Bumi's current management also announced further steps in its plan to consolidate control of another Indonesian coal-mining subsidiary, Berau Coal, of which it owns 85%.

BBC: Bumi board fights Rothschild plan