Say Marry Christmas!
It will soon be the Christmas here in U.S, and now it’s late afternoon in uc village, with my foretooth aching underneath. But still I should feeling comfortable from my situation, since my wife, my mother and my son are all here surrounding me and supporting me to do my career.
Just a simple note here, there come some useful tools to analysis the trends of research hot fields in which hotspot could be distinguished and estimated by grouping and statistics.