factor f造句

the foreground of western russian security stratagem " act'ualization is determined by four factors f the first is the execute of < < nato-- russia founding act about interrelationship, corporation and sectrity > > and t'he development current of relationship between nato and russia, the second is the scale of nato's expand to east, the third is the east european non-nato countries " attitude and policy to russia, the fourth is the balance of strength among russia, nato and eu
俄罗斯西部安全战略的实施前景如何，主要取决于以下四个因素：一是《北约与俄罗斯相互关系、合作与安全基本文件》的执行情况和俄罗斯?北约关系发展的趋势；二是北约东扩的规模；三是东欧非北约国家对俄罗斯的态度和政策；四是俄罗斯、北约和欧盟之间的力量对比。
It's difficult to find factor f in a sentence. 用factor f造句挺难的