This insurance must be valid for a period of 60 days after arrival of merchandise at inland destination 本保险扩展到货物到达内地的目的地后60天有效
The prompt character must be valid for the current location in the mask in order to be accepted ，提示字符也必须对掩码中的当前位置有效才能被接受。
Is evaluated on the server , not the client , and the path must be valid on the server 在服务器（而不是客户端）上进行计算，且路径必须是服务器上的有效路径。
The connection object associated with the select statement must be valid , but it does not need to be open 与select语句关联的连接对象必须有效，但不需要将其打开。
Values used with a conversion keyword must be valid for the destination data type , or an error occurs 与转换关键字一起使用的值对于目标数据类型必须是有效的，否则将出错。
Variable names must be valid for microsoft visual basic ; they must start with alphabetic character or underscore and contain alphabetic characters , digits , or underscores 变量名必须对microsoft visual basic有效；变量名必须以字母字符或下划线开头，并包含字母字符、数字或下划线。
The financial verification documents you submit for this purpose should be recent , and must be valid for at least 6 months from the day they are received 你好,这句话应该是你准备去大使馆验资时有用的.是说你提交的这个资金证明必须是近期的,而且是已经存满6个月的.否则,使馆会怀疑你的经济能力的
Role , agent jobs are created implicitly even if a windows account is not specified if an account is specified , it must be valid ; agents run under the context of the sql server agent service account at the appropriate server 角色中的用户，即便未指定windows帐户（如果指定帐户，则帐户必须有效） ，代理作业仍将隐式创建；代理运行于相应服务器的sql server代理服务帐户的上下文中。
The theory of cognitive psychology , humanism , development assessment of teachers , specialization on teachers and management provide theoretical basis for teaching self - evaluation . based on the literature review of teaching self - evaluation , considering the conception of new national curricula reform and the features of teaching self - evaluation , we suggested that contents of teaching self - evaluation must be valid , practical , dynamic , and be coherence with the request of new national curricula and the actual development of schools and teachers . in addition , we propose the implementary procedure and strategy on teaching self - evaluation 笔者在考察教师课堂教学自我评价的有关理论的基础上，结合新课程改革的要求和教师课堂教学自我评价自身的特点提出：教师课堂教学自我评价内容的确定既要考虑新课程的改革要求，又要考虑学校、教师的实际发展情况；既要注重评价内容的科学性，更要注重评价内容的实用性、针对性和动态性，并提出了教师课堂教学自我评价的实施框架和策略构想。
