PA

英 [piː ə]

美 [piː ə]

n.  同 personal assistant; 有线广播系统; 扩音系统

计算机

BNC.17071

牛津词典

abbr.

abbr.

abbr.

柯林斯词典

• 同 personal assistant
  APAis the same as apersonal assistant.
• N-COUNT 有线广播系统；扩音系统
  If you refer to thePAor thePA systemin a place, you are referring to the public address system.
  1. A voice came booming over the PA...
     从有线广播系统中传出一个瓮声瓮气的声音。
  2. Elvis comes on the coffee shop PA system.
     咖啡店的广播中播放着猫王的歌。

双语例句

• Objective To investigate the relation of sleep duration and physical activity ( PA) level to obesity.
  目的：通过大样本横断面研究，初步探讨睡眠时间、身体活动水平和肥胖的关系。
• I heard the bark of the PA system.
  我听到了扩音系统的轰响声。
• PA familiar with the equipment necessary to operate the machines and maintenance and repair.
  熟悉PA必备的设备机器的操作及维护和保养。
• The curing process of PA/ PE dry laminated film was studied.
  研究了PA/PE干式复合薄膜的熟化工艺。
• So this is our pA star and pB star.
  这是pA星和pB星。
• I am a PA to an extremely volatile boss.
  我是一个私人助理，老板是个极度反复无常的人。
• Well, I turned on the lights and sirens, and got on the PA system announcing ourselves as police officers.
  嗯，我开了警灯和警笛，并上了扩音系统宣布我们是警察。
• The compatible of VAE and PA in the composite emulsions is better than the blending system.
  接枝复合乳液中VAE与PA的相容性比共混体系有了较大提高。
• Then one day Pa said that spring was coming.
  一天，爸爸说春天来了。
• MRI perfusion, DWI and MRS were useful technique in the PA diagnosis and differentiate with other tumors.
  MRI灌注、DWI和磁共振波谱（MRS）在PA的诊断和鉴别中具有一定的价值。