Since 20th centuries, because the classical contract theory adheres to the relativity of contract, the development of contract freedom has been blocked up.

自20世纪以来，古典契约理论因固守契约相对性，从而滞碍了契约自由的声张。

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Northrop Grumman, in partnership with the University of Minnesota, was awarded a research and development contract for the preliminary design of collaborative navigation algorithms.

诺斯罗普·格鲁门公司与明尼苏达大学获得一项协作导航算法初步设计的研究开发合同。

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The U.S. Air Force has awarded Lockheed Martin a ＄30 million contract for the development phase of the Self-Awareness Space Situational Awareness (SASSA) technology demonstration program.

美国空军授予洛克希德·马丁公司一份价值3000万美元的合同，洛·马公司将进行自我意识空间态势感知（SASSA）技术验证计划的开发阶段研究。

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The contract will fund development of a lower-cost lithium-ion phosphate battery technology with enhanced power, lifetime and durability for hybrid-electric vehicle applications.

FORBES: Nano-Batteries That Keep On Going

Scott revealed he has recently travelled to Dublin to assure the Republic of Ireland international, who has been on loan at Griffin Park since March 2008, about the next stage of the club's development and to offer him a new contract.

BBC: Scott hopeful Bennett will stay

Calum Iain Maciver, director of development at Comhairle nan Eilean Siar, said the future of Patton's contract could become clearer over the next few days.

BBC: Lews Castle contractor Patton placed into administration