Assertion: plutonium's property | /r/HasProperty | understood
Facets:
value: poorly
type: DEGREE
Source sentences:
text: In general, the precise aging properties of plutonium are very complex and poorly understood, greatly complicating efforts to predict future reliability of weapons components.
text: In general, the precise aging properties of plutonium are very complex and poorly understood, greatly complicating efforts to predict future reliability of weapons components.