b-b type

基本解释

Only about 2% of red giants follow this fate, to become stars known as “B-type subdwarfs”.
只有2%的红巨星会如此演变，成为B型亚矮星（“B-type subdwarfs”）。
The minimum amount of Renminbi deposit is RMB50, that of B-type foreign currency deposit is the equivalent of RMB500, and that of C-type foreign currency deposit is the equivalent of RMB50.
人民币存款起存金额50元，乙种外币存款起存金额为不低于人民币500元的等值外币，丙种外币存款起存金额为不低于人民币50元的等值外币。
Foreign currencies with a value not less than the equivalent of 500 RMB yuan for a B-type deposit, or foreign currencies with a value not less than the equivalent of RMB50 yuan for a C-type deposit.
乙种存款为不低于人民币500元的等值外币；丙种存款为不低于人民币50元的等值外币。