PM

abbr.

St. Pierre&Mequielon 圣皮埃尔和密克隆群岛；

n.

下午，午后；

1. I'm tied up in a meeting until 3 pm.
   我开会直到下午三点钟方可脱身。
2. I need my clothes ready by five PM today.
   我的衣服必须在今天下午五点以前洗好。

Muscular and extramuscular clinical features of patients with anti-PM/Scl autoantibodies
Design of PM 2.5 environmental quality detector
Metallic characteristics of PM and PM for clustered Aeolian Dust Episodes occurred in an extensive fluvial basin during rainy season.
Trump reportedly asked Israeli PM Benjamin Netanyahu if he even cares about making peace
Comparison of Several Samplers for the Collection of PM_(2.5) & PM_(10)
Preferred reporting items for systematic reviews and meta-analyses (PRISMA) statement and publication bias
Common method biases in behavioral research: a critical review of the literature and recommended remedies
Increasing Returns and Long-Run Growth
SP 800-145. The NIST Definition of Cloud Computing
The fifth discipline : the art and practice of the learning organization / Peter M. Senge.