Volcano and earthquake are all results of internal material motion.

火山与地震都是地球内部物质运动的结果和表现。

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On the condition that there is no material commutation with outside, healing of internal crack and hurt of material depends on the move of internal material and the change of structure.

在与外界无物质交换的条件下，材料内部裂纹与损伤的愈合靠内部物质迁移及结构变化完成。

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Pull systems will eventually dominate the entire supply chain-to customers and from suppliers, as well as internal material movement.

“拉动式”系统最终控制着整个供应链——从供应商到客户的，以及内部的物料流动。

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Some 3D systems allow the properties and internal structure of the material being printed to be varied.

ECONOMIST: 3D printing

Distribute high-quality material to internal and external audiences.

UNESCO: Vacancy : Public Information Officer (11/4/2011) (BPI 012 - (P3)) Vacancy : Public Information Officer (11/4/2011) (BPI 012 - (P3))

During the last four years, Deloitte has issued non-qualified audit opinions on the financial statements, in spite of ongoing material weaknesses in internal controls over their financial reporting.

FORBES: Numbers At General Motors Just Don't Add Up