鸡内金入汤剂,最宜的用法是()
A.先煎
B.研末冲服
C.后下
D.包煎
E.另煎
参考答案:B
气相色谱法测定水中吡啶,用顶空法制备吡啶样品时,水浴温度与平平衡时间不会对分析结果产生影响。
Software refers to (70) . The most important software on any computer is (71) .
A.input
B.programs
C.output
D.electronic