For example, you could use the maximum life and expiration time for each cached item to refresh cached data for specific users that need updated data.
例如，您可以使用每个缓存项的最长生命周期和过期时间来为需要更新数据的特定用户刷新缓存数据。
Narwhals maximum life span is about 50 years.
寿命：独角鲸的最大寿命大约为50年。
Regular checking and cleaning of thermostat assembly helps to assure maximum life and proper product function.
温度调节装置的定期检查和清洗有助于保证最长的使用寿命和正常的产品使用功能。
On one hand, he proceeded from life and then inspected every phase of life, finally illustrated that belief was man's maximum life realm.
一方面，他从整个人生出发，逐个考察生活各个阶段，最后说明信仰是最高的人生境界。
In rodent models, calorie restriction with adequate nutrient intake decreases the risk of developing chronic disease and extends maximum life span.
在动物模型中，摄取足够的营养并且限制热量的摄入能够减少慢性疾病发生的危险，并能延长寿命。
According to a German aging study, the maximum life span in industrialized countries has increased by two years every decade since the mid 19th century.
德国一项关于寿命的研究指出，19世纪中叶以来工业化国家人口的最高寿命增长迅速——每十年人们的最高寿命就会增长两岁。
Annual inspection of all safety and control valves is required and necessary. Regular inspection, testing and cleaning assures maximum life and proper product function.
要求而且有必要每年一次检查所有安全阀和控制阀。定期检查、测试和清洗能够保证最长的使用寿命和正常的产品功能。
So the increase of 12 years in maximum life expectancy during the 20th century was just one-third as large as the increase in average life expectancy during the period (36 years).
因此，20世纪最长寿命12年的增长幅度只不过是同期平均寿命增幅(36年)的三分之一。
Annual inspection of all water system safety and control valves is required and necessary. Regular inspection, testing and cleaning assures maximum life and proper product function.
所有水系统安全阀和控制阀都需要也必须进行年度检查。定期检查、检测和清洗能够确保使用寿命最长和产品性能正常。
Annual inspection of all water system safety and control valves is required and necessary. Regular inspection, testing and cleaning assures maximum life and proper product function.
所有水系统安全阀和控制阀都需要也必须进行年度检查。定期检查、检测和清洗能够确保使用寿命最长和产品性能正常。
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