According to analysis of the client credit limit, applicability and validity are given.
对确定客户信用额度的各种方法进行分析比较并讨论其适用性及有效性。
2
An export license shall be used within the period of validity, and shall be invalidated automatically if it exceeds the time limit, and the customs shall not release the goods.
出口许可证应当在有效期内使用，逾期自行失效，海关不予放行。
3
According to unary function limit and multivariate function limit of mathematical Analysis, the validity of the index Vnew is proved in theory.