f F holes (提琴上的) F 形孔眼。 F sharp (F#]) 升 F 调。 F = 1.【化学】 fluorine. 2.【生物学】 (generation of) filial offspring; 【植物;植物学】子代 〔F1 杂种子1代; F2 杂种子2代〕; 【动物;动物学】世代 〔cf. f = force〕。 F,F/f, f/,f., f: etc. 见 f-number 条。
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。