您要查找的是不是：
- Does the dormitory carry out a fire drill at least once per year? 宿舍是否每年至少进行一次消防演习?
- Does the factory carry out a fire drill at least once per year? 工厂是否每年至少进行一次消防演习?
- Stocktaking shall be carried out once per year, on December 30 and 31 two days. 每年进行一次，具体时间为每年12月30及31日两天。
- Once per year, the wielder can trigger this effect as a special action requiring 10 rounds to complete. 持用者每年可以以需要10轮完成的特定动作触发一次该效果。
- Events run the gamut in frequency, from several times a day to once per year, with all levels in between. 活动将具有周期性，从一天数次到一年一度，也分为了不同的级别。
- This value,measured as ozone ,was initially set at an hourly average concentration not to exceed 80 ppb more than once per year. “毒理学试验表明，臭氧的浓度高于环境值可能对血液的生化活动产生危害，降低肺功能，增加一般呼吸系统的不适感。”
- Conduct continuing review of research no less than once per year 继续管理对于该研究的审查,不少于每年一次
- We fail one student per year on average. 我们平均每年有一个学生不及格。
- The vessel tax of anchorage is 5,000 dollars per year. 这艘船的停泊税一年是五千美元。
- A link-time check is performed once per caller. 每一调用方执行一次链接时检查。
- You will be paid once per month with no minimum !. 你将每月得到一次支付，没有最小支付额。
- Interest is paid at the rate of 6 percent per year. 每年的利率是百分之六。
- You can enjoy six weeks holiday per year. 你一年有六周的假期。
- Lawyers in Italy average 150,000 Euros per year. 在意大利，律师平均年收入为15万欧元。
- For example, MSF says second-line drugs already cost$1,400 per patient per year in Kenya, while in Guatemala they're a prohibitive$6,500 annually. 例如，MSF声称二线药在肯尼亚每人每年1400美元，而在危地马拉则是难以买起的价6500美元。
- The population is increasing at about 6% per year. 人口以每年约 6%25 的速度增加。
- How many times per year do you travel? 每年您旅行几次?
- The parent element in the file; it can occur once per file. 文件中的父元素;它可以在每个文件中出现一次。
- The vacuumer checks once per minute to see if it should run. vacuumer每分钟检查一次以查看是否应该运行。
- If yes, how much is the subscription fee per year? 如是,大约多少订阅费一年?
