Pay more attention to the Valid Time of your VISA, to avoid illegal stay.

请十分注意你所持签证的有效期，以避免非法居留。

The valid time for the scale was in accordance with the time of diagnosis.

量表评定时间相同于中医辨证诊断时间。

When a valid time stamp is received from a time service provider, the time service will correct itself.

在从时间服务提供商处接收到有效的时间戳时，时间服务将自我校正。

This paper studies the pricing on Asian geometric average options with fixed strike price at any valid time.

研究了具有固定敲定价格的几何型亚式期权在任意有效时刻的定价问题。

They allow the client to validate the token, or request that the valid time span for the token be extended or ended.

它们允许此客户机验证此令牌或者请求延长或终止此令牌的有效时间区间。