美国的A公司在与我国某进出口公司签订购货合同的同时,又与加拿大的B公司签订了同样内容的销售合同,对美国的A公司而言属于( )
A. 过境贸易
B. 一般贸易
C. 转口贸易
D. 间接贸易
清除率可缩写为
A. C1
B. Vd
Css
D. Cm
E. Tm
During times of war or economic ______ many people convert their wealth into precious stones, which are transportable and more easily sold.
A. distraction
B. disturbance
C. tremor
D. vibration
欲比较麦迪霉素的片剂和颗粒剂吸收程度,应选用的指标是
A. T1/2
B. Css
C. F
D. Vd
E. AUC