What is NOT an advantage of containership operations over conventional break-bulk operations? ().
A. Flexibility of operation
B. Greater operational safety
C. Lower stevedoring costs
D. Reduction of cargo damage
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计算消费税时,若实行从价定率办法计算,其销售额包括向购货方收取的增值税。
A. 正确
B. 错误
测量不确定度是无符号的参数用标准差或标准差的倍数,或置信区间的半宽表示。
A. 正确
B. 错误