当然，前提是合同规定了实参的先决条件。
This is, of course, if the contract states the preconditions for the arguments.
愿望的前提是实现愿望的行动的可能性，行动的先决条件是目标的实现价值。
A desire presupposes the possibility of action to achieve it; action presupposes a goal which is worth achieving.
中国的裁军行动是单方面的，没有设置任何前提，不与他国相联系，不把裁军作为迫使他国同时裁军的筹码或先决条件。
China's disarmament act is unilateral, carrying no prerequisite, having nothing to do with any other country.
清洁空气和水是人类生活的前提，也是地球上所有生命的先决条件。
Clean nair and water is a prerequisite not only for human life, but also for all life on the planet.
频谱感知技术是认知无线电的关键技术，是实现认知无线电的前提和先决条件。
Spectrum sensing technology is the key integrant in Cognitive Radio, is the basis and precondition for implementation of Cognitive Radio.
频谱感知技术是认知无线电的关键技术，是实现认知无线电的前提和先决条件。
Spectrum sensing technology is the key integrant in Cognitive Radio, is the basis and precondition for implementation of Cognitive Radio.
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