农产品地理标志
参考答案:
指农产品来源于特定地域,产品品质和相关特征主要取决于自然生态环境和历史人文因素,并以地域名称冠名的特有农产品标志。
The mean and standard deviation of the net incomes for all companies making up a stock index is $ 3.5 million and $ 4. 2 million, respectively. If a random sample of 49 companies is taken from the index, the standard error of the sample mean is closet to:()
A. $85714.
B. $500000.
C. $600000.
会计凭证的传递应做到()。
A.先外后内
B.先急后缓
C.在内部传递
D.先现金后转账