abbr. 每年(Per Annum);私人助理(Private Assistant)
p.a. //
p.a. is a written abbreviation for . 每年
an electronic amplification system used as a communication system in public areas
同义词: public address system / P.A. system / PA system / PA
When they published it, it was big news for the high school - it was even announced on the P.A. system.
杂志发表了它,这在我们高中可算是个大喜讯,连广播里都作了公布。
Before long an emergency announcement came over the P.A. system: "This hotel is constructed to be absolutely earthquake-proof."
过了不多久从P. A .系统中传出紧急广播:“该旅店是完全由防震材料建筑而成。”
We shall be pleased to receive a fixed deposit for any amount more than $1,000, for a period over six months at the rate of 6% p.a.
定期存款的条件为年利6%, 存期6个月以上,只要金额1,000元,我们均乐意接受。
The National Association for Sport and Physical Education says twenty to thirty students in a P.E.class should be the limit.
VOA : special.2009.08.06
So for example I defined p, remember back over here, as a Cartesian point, but I can actually ask for its polar form.
我可以要求返回它的极坐标形式,这里对我是可访问的,好,这很棒,请再记另外一个为什么。
计算机科学及编程导论课程节选 : 麻省理工公开课
But one of them was on a Nashville, Tennessee radio station, on a program at 5:30 p.M. Called "Drive Time."
但在田纳西州那什维尔电台下午五点半的,"驾车时刻"节目中,主持人这么问我
美国内战与重建课程节选 : 耶鲁公开课
Mark Hurd was out. Investigators said he had falsified expense records to hide spending on a woman who worked with H-P.
VOA : special.2010.08.13
It was the Boy Scouts of America National Jamboree, which is held every four years at Fort A.P.Hill army base.
VOA : special.2010.08.06
Both would increase spending, not cut it (or even stabilize it), and each would increase spending by more than 3% p.a.
FORBES: Why The Fiscal 'Sequester' Scheme Is Actually Bullish
The average for all twenty presidents is 44 per annum (p.a.), with Democrats averaging 59 p.a. and Republicans averaging 34 p.a.
FORBES: When It Comes To Abuse Of Presidential Power, Obama Is A Mere Piker
Harry Truman had the highest rate of decree issuance (113 p.a.), while Warren Harding had the lowest rate (just 2 p.a.).
FORBES: When It Comes To Abuse Of Presidential Power, Obama Is A Mere Piker