您要查找的是不是：
- average serviceable years of fixed assets 固定资产平均使用年限
- average serviceable years 平均使用年限
- Her son was enrolled for military service years ago. 她儿子于几年前应征入伍。
- We fail one student per year on average. 我们平均每年有一个学生不及格。
- By the end of the first half of 2008, the average serviced apartment rental price in Shanghai was RMB 198 psm per month, representing 2.6% y-o-y growth. 2008年二季度末，上海服务式公寓平均租金达到人民币198元每平方米每月，比去年同期增长2.;6%25。
- Months of high and low sales average out over the year. 销售额高低不同的月份按全年统算达到一般水平。
- The average snowfall here is 10cm a year. 这里年平均降雪量为10厘米。
- He's been in and out of prison for years. 他多年来屡次进出监狱。
- In each serviced year, Part A will be offered indefinite telephone consultation and on-site maintenances and troubleshooting services by Part B. 在协议期限内，甲方享有乙方提供不定期电话咨询及上门维修及故障处理服务。
- Contrast experiments confirm that the performance of the treated sifter mesh is better than that of other current domestic products of the same kind and its average service life is greatly improved. 经寿命对比实验,用该工艺处理的筛片比目前国内生产的同类产品好,性能有大幅提高。
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- It takes six years to qualify as a doctor. 要获得医师资格需时六年。
- The average output of the factory is 20 cars a day. 该工厂的平均产量是每天20辆汽车。
- The rice crop this year is15 percent above the average. 今年的稻米产量高于往年平均产量的百分之十五。
- The sea have erode the cliff face over the years. 海水经年累月冲刷著峭壁的表面。
- He's been drinking whiskey on the sly for thirty years. 他暗中偷喝威士忌酒已有三十年了。
- His income is well below the average. 他的收入大大低于平均水平。
- The tyres are worn but still serviceable. 这些轮胎已磨损，但尚可用。
- We ingeniously make use of anticorrosion feature of polyphenyl to use high-density foamed polyphenyl as waterproof layer to enable it to has extra long service year and lifelong waterproofing. 巧妙地利用聚苯不腐不烂的特性，以高密度发泡聚苯作为防水层。
