1·The duration of validity for this certificate exceeds that of its certification authority.
该证书的有效期超过了其证书颁发机构的有效期。
2·The Ministry of Commerce, within 30 days after receipt of all the above-mentioned documents, shall give the official reply, the duration of validity of which is 180 days.
商务部收到上述全部文件后应在30日内作出原则批复，原则批复有效期180日。
3·Thee Ministry of Commerce, within 30 days after receipt of all the above-mentioned documents, shall give the official reply, the duration of validity of which is 180 days.
商务部收到上述全部文件后应在30日内作出原则批复，原则批复有效期180日。
4·The period of validity of the aforementioned certificates is the duration of the holders' permitted stay in China.
上述居留证件的有效期限为准许持证人在中国居留的期限。
5·The period validity of the aforementioned certificates is the duration of the holders permitted stay in China.
上述居留证的有效期即为准许持证人在中国居留的期限。
6·The period of licence validity shall be of reasonable duration and not be so short as to preclude imports.
许可证的有效期应合理，不得过短而妨碍进口。
7·The expansion of patent embodies in the extension of the validity of patent right in respect of duration and scope.
专利权的扩张体现于专利权效力在时间和范围上的延展。
8·The validity of legislation, which includes valid legislation and the force of the valid legislation, has its given objects, spatial extension and temporal duration.
立法效力是指被国家认可的立法活动在一定的空间和时间范围内对特定的对象所产生的作用力。
9·The validity term of a patent or trademark license is agreed to by the parties, but cannot exceed the remaining duration of protection of the patent or trademark license.
一个专利或商标使用许可有效期由双方商定，但不能超过专利或商标使用许可保护剩余的时间。
10·The methods of identifying critical chain with the goals of minimum project duration and duration-cost tradeoff are put forward. Finally a scheduling example is given to prove the methods' validity.
然后，以工期最小为目标与工期-成本权衡目标建立关键链识别方法模型，并通过算例验证了该方法的有效性。