UFO

n.

不明飞行物，飞碟；

复数：UFOs

1. Have any of you actually seen a UFO?
   你们中间是不是有人确实看到过飞碟？
2. No, it can not be a ufo.
   不，不可能是个不明飞行物。

UFO – The Universal FeynRules Output
SARAH 3.2: Dirac gauginos, UFO output, and more ☆
UFO: an Arabidopsis gene involved in both floral meristem and floral organ development.
Salient Region Detection by UFO: Uniqueness, Focusness and Objectness
Differential expression of the ufo/axl oncogene in human leukemia-lymphoma cell lines.
Not Just Another False Memory: Further Thoughts on the UFO Abduction Phenomenon
The COP9 signalosome interacts with SCF UFO and participates in Arabidopsis flower development
Toward an Explanation of the UFO Abduction Phenomenon: Hypnotic Elaboration, Extraterrestrial Sadomasochism, and Spurious Memories
Grounding Software Domain Ontologies in the Unified Foundational Ontology (UFO): The case of the ODE Software Process Ontology
Gender differences in sexual and injection risk behavior among active young injection drug users in San Francisco (the UFO Study).