Attaching great importance to non-proliferation, China has developed an export control regime in line with the prevailing international practices, and law enforcement is strict and effective.

中国高度重视防扩散问题，制定了与国际通行做法相一致的出口管制法规体系，执法严格有效。

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The effective control principle is an important principal to solve international territorial disputes.

有效控制原则是解决国际领土争端的重要原则。

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Second, when international treaties do not exist or they are invalid, the Court followed Uti Possidetis Juris Principle or Effective Control Principle to solve territorial disputes.

其次，在国际条约确实无效或不存在国际条约的情况下，国际法院接下来适用依法占有原则或有效控制原则来解决领土争端。

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Third, we reaffirmed that it is the fundamental responsibility of nations, consistent with their international obligations, to maintain effective security of the nuclear materials and facilities under our control.

WHITEHOUSE: Nuclear Security Summit: Presidential Press Conference