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。
According to unary function limit and multivariate function limit of mathematical Analysis, the validity of the index Vnew is proved in theory.
并根据数学分析中一元函数和多元函数的极限的相关知识，在理论上证明了该指标的有效性。
Any limit to the period of validity of a seafarer's identity document shall be clearly indicated therein.
海员身份证有效期的任何限制得在该文件上指明。
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。
In this paper, we give an analytical solution of the spherical area in the rectangular integral domain, and verify the validity of the solution under a limit condition.
在本文中，给出了方形积分区域上球面积的解析解，并在一极限条件下验证了该解析解的合理性。
Import license should be used within the term of validity. If it exceeds the time limit, it will lose efficacy automatically, and the customs will not grant clearance.
进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。
Before the nineties of the last century, the limited display methods limit the strength and validity of popular science education greatly.
在上世纪九十年代前，展示手段的限制很大程度上削弱了科普教育的力度和效度。
Claim validity refers to the buyer to the seller is not required by the contract goods, the buyer the seller lodge a claim for compensation of the time limit.
索赔有效期是指买方对卖方未按合同约定要求提供商品时，买方向卖方提出赔偿要求的时间期限。
The term of validity of the overseas loan limit shall be two years from the date when the lender obtains the approval of the overseas loan limit from the foreign exchange bureau.
境外放款额度有效使用期为自获得外汇局核准境外放款额度之日起2年。
The term of validity of the overseas loan limit shall be two years from the date when the lender obtains the approval of the overseas loan limit from the foreign exchange bureau.
境外放款额度有效使用期为自获得外汇局核准境外放款额度之日起2年。
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