1·She danced the principal role in the ballet.
她在这个芭蕾舞中担任主角。
2·The personality, experience, and emotion play the principal role in choosing art patterns for artists.
艺术家的个性、经历和情感在艺术家对艺术样式的选择中起了不可忽视的作用。
3·These approaches emphasize language learners' principal role and thus reflect the general rules of language learning.
这一教学方法强调语言学习者的主体地位，反映了语言学习的一般规律。
4·Conclusion To play the principal role of mainstay nurses nurses for enforcing holistic nursing was an adapted methods.
结论发挥护理骨干的作用，推进整体护理的实施，是一种可行的办法。
5·The liver also play a principal role in regulating the blood volume, especially the volume in the peripheral portion of the body.
肝同样对血量的调节起作用，特别是外周血量。
6·The principal role of synchronization is to prevent undesirable or unanticipated interference between simultaneously executing instruction sequences.
同步的主要作用是，阻止可能在同时执行的指令序列间引起问题，或结果不可预料的交互行为。
7·The Jazz Platform's principal role is to provide tool writers with mechanisms to use, and rules to follow, that lead to seamlessly-integrated lifecycle tools.
Jazz 平台的主要作用是为工具编写人员提供要使用的机制和要遵循的规则，这些机制和规则可产生无缝集成的生命周期工具。
8·How to exert student principal role in the teaching process of Higher Mathematics deserves discussion. This paper elaborates ways to exert student principal role from four aspects.
在数学教学中如何发挥学生的主体作用是教学过程中一个值得探讨的问题。文章从四个方面阐述了发挥学生主体作用的做法。
9·Doubts were brought on the effectiveness of the FSA in fulfilling its principal role of regulating all financial services and whether are they competent enough in the continuation of role.
最近金融危机再次引起了质疑，这一次是英国金融服务管理他们是否有足够的能力继续扮演这样的角色。
10·One role might be granted to multiple groups or users (principals); one group or principal may have multiple roles mapped to it.
可以将一个角色授予多个组或用户(主体)；一个组或主体可以具有映射到它的多个角色。