Assertion: chloroplast's structure | /r/HasProperty | disputed
Facets:
value: for a long time
type: TEMPORAL
Source sentences:
text: For a long time, the three-dimensional structure of the thylakoid system has been unknown or disputed.
text: For a long time, the three-dimensional structure of the thylakoid system has been unknown or disputed.
text: For a long time, the three-dimensional structure of the thylakoid system has been unknown or disputed.
text: For a long time, the three-dimensional structure of the thylakoid system has been unknown or disputed.