约束提供一种灵活、统一、简洁的方式来表达时空对象的特性，描述对象连续的变化，表示不完整的信息和满足复杂建模的要求。

Constraints provide a flexible, compact and uniform way to represent diverse data capturing spatiotemporal behavior, continuous change, incomplete information and complex modeling requirements.

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“这些讨论仍然是不完整的性质，因此不能保证任何有约束力的建议或交易将导致从这些讨论中，”Amcor公司在一份声明中说。

Those discussions continue to be incomplete in nature, and there can be no assurance that any binding proposal or transaction will result from those discussions, "Amcor said in a statement."

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“这些讨论仍然是不完整的性质，因此不能保证任何有约束力的建议或交易将导致从这些讨论中，”Amcor公司在一份声明中说。

Those discussions continue to be incomplete in nature, and there can be no assurance that any binding proposal or transaction will result from those discussions, "Amcor said in a statement."

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