有些国家自然资源丰富，但多年来遭受内战和外部战争，再加上一些其他原因，导致他们无法开发其资源。
Some countries are perhaps well off in natural resources, but suffered for many years from civil and external wars, and for this and other reasons have been unable to develop their resources.
ejb容器使开发人员不必管理常见的企业功能，如安全性、事务处理、连接合用和外部资源管理。
The EJB container relieves developers from managing common enterprise functions such as security, transaction handling, connection pooling, and external resource management.
工作空间是在开发人员的机器上本地进行维护的，而团队通过外部资源库进行协作，不同开发人员的代码在资源库进行汇集。
The workspace is locally maintained on a developer's machine, and teams collaborate through external repositories that are meeting places for code parts from different developers.
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