Compared to the Eastern Empire, the Western Empire had many disadvantages, including more foreign enemies and fewer material and human resources.

与东罗马帝国相比，西罗马帝国有很多劣势，包括外敌更多、物质资源和人力资源更少。

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This requires vast amounts of experimental data to establish a cutting force model, and requires a lot of material and human resources.

这就需要海量的实验数据来建立起铣削力模型，这就需要耗费大量的物力和人力。

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Because the financial, material and human resources are limited, can not and does not need to replace all the defects pipelines, so need to repair .

而鉴于财力、物力、人力有限，不可能也没有必要更换所有超标的缺陷管道，因此需要对缺陷处进行修复。

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Acquiring financial, material and human resources to sustain the educational changes taking place as well as the transformations in families and in the community.

UNESCO: Aprendizajes en Familia (Family Literacy Programme)