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

• So this is our pA star and pB star.
  这是pA星和pB星。
• 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。
• 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。
• Study and Development of PROFIBUS PA Test System Based on Ethernet
  基于以太网的PROFIBUSPA测试系统研究与开发
• I heard the bark of the PA system.
  我听到了扩音系统的轰响声。
• 'Pa,' he said, 'I don't feel well.'
  “爸，”他说，“我觉得不舒服。”
• 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。
• At constant temperature, that meant that pA star is bigger than pB star.
  温度恒定时，这意味着pA星比pB星大。
• 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。