喬納森·B
???????CUFT????????????????????TOE??????????RT???????QM??????????????????????????????CUFT ??????A-???????????????????????????????????????????c2/h???????????????????????????????????????????USCF?????????????USCF ??????????????????????????“????”????????CUFT??“A-????”????????“???”?????“???”?“???”?“???”???????????????????????USCF ??(USCFn) ???(Ei) ???USCF ??(USCFn+) ??????(Ei+n) ?????????????????j).???????????????????A-?????????CUFT??????????????????????????????????????????????
English 
Spanish 
Russian 
German 
French 
Japanese 
Portuguese 
Hindi