当药物粉末本身(结晶水或吸附水)所产生的饱和水蒸气压低于环境中水蒸气分压时产生
A．风化
B．水解
C．吸湿
D．降解
E．异构化
参考答案：C
根据《开罗宣言》和《波茨坦公告》的决定，当时的中国国民政府于哪年派出海军收复西沙群岛和南沙群岛？
Circuit-switching technology is used in Public Switched Telephone Network (PSTN), Global System for Mobile Communications (GSM) and Code Division Multiple Access (CDMA). It is a（）information transfer mode.
A.connection oriented
B.connectionless
C.high bandwidth utilization
D.poor real-time
