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。
• The effect of base bias resistors on the parameters of PA ( power amplifier) was simulated.
  模拟了基极偏置电阻对功率放大器参数的影响。
• Objective To study the diagnosis and treatment of infected pancreatic necrosis ( IPN) and pancreatic abscess ( PA).
  目的探讨胰腺感染坏死（IPN）和胰腺脓肿（PA）的诊断和治疗。
• 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。
• The depth analysis was shown by a sample of PA scan light absorption spectra.
  叶片的光声光谱扫描显示了深度分析的精确性。
• 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。
• And then, of course, we have an expression for pA, right?
  然后，当然，我们有pA的表达式，对吗？
• You know, maybe PA was right about you.
  你知道么，或许爸爸那样对待你就对了。
• Then one day Pa said that spring was coming.
  一天，爸爸说春天来了。
• 'Pa,' he said, 'I don't feel well.'
  “爸，”他说，“我觉得不舒服。”