The local image features are always corresponding to specific semanticclasses.
图像局部特征往往对应着特定的语义类别。
2
A few of the changes in AspectJ 5 don't require any changes to AJDT, such as semantic changes or additional API classes.
AspectJ 5中的少数变化不需要AJDT做任何变化，例如语义变化或附加的api类。
3
Associating semantic properties with metadata means that compiled classes may have a different structure and behavior from those without it (see Resources for a further discussion on this topic).