This paper, on the basis of analyzing why blanks can t be inserted at random, presents several tactical solutions to that, makes comparisons between these solutions, and gives necessary suggestions accordingly.

The historical phonetic evolvement in a language or a dialect may influence the combination of the phonemes, leaving some slots in its phonological structure.

Spatio-temporal pattern and hierachical characteristics of vegetation fraction from 1990 to 2005 in Guangzhou;

Then we analyzed the spatio-temporal pattern of 14 wind sand disasters in China from March to June, 2000.

Spatio-temporal pattern of cold and frost damage in China;