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abbr.泛美航空公司 (Pan American World Airways)
n. (Paa)人名;(芬)帕
1、aa───abbr.汽车协会 (Automobile Association);嗜酒者互诫协会 (Alcoholics Anonymous);瘾君子互诫协会 (Addicts Anonymous);会计学准学士 (Associatein Accounting)
2、p p───abbr.过去分词(pastparticiple)
3、agnosticism aa───不可知论
4、acetaldehyde aa───乙醛aa
5、permanence aa───永久性aa
6、atheistic aa───无神论者
7、aphorisms aa───格言aa
8、raz aa───一次aa
9、this aa───这个aa
1、P fertilizer could not obviously improve the nutrition quality of wheat and AA content, but could decrease paste strength and flexibility .───磷对小麦营养品质和籽粒中氨基酸含量无明显影响,但能增强面团延展性,降低面团强度和筋力;
2、S&P executives said five countries, including Canada, Sweden and Australia, managed to regain a AAA rating after falling to AA+, as the United States did last week.───标普公司的高级人员说,有五个国家的信用评级,曾经一度像美国上个星期一样由3A降到了2A上(+),但是又能回升到3A。 这些国家包括加拿大、瑞典和澳大利亚。
3、S&P is under fire from politicians for downgrading the United States from AAA to AA+.───标准普尔由于把美国ZhuQuan信用评级从AAA调低为AA +而备受政界人士批评。
1、In this paper, the basic properties of modified P ( AA - AN ) with Mannich reaction ( ASF ) were characterized.