您要查找的是不是：
- Once per year per item 每个项目一次
- 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?
- The server program would need to do program initiation and termination housekeeping once per item. 服务器程序需要对每一个单元都进行程序初始化以及相关的回收工作。
- 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。”
- We fail one student per year on average. 我们平均每年有一个学生不及格。
- 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
- 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。
- We shall make the sample as per Item 3, i.e., the size of S/M. 我们将按照第三条即S/M的尺寸规格来做样品。
- A link-time check is performed once per caller. 每一调用方执行一次链接时检查。
- Interest is paid at the rate of 6 percent per year. 每年的利率是百分之六。
- 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。
- You can enjoy six weeks holiday per year. 你一年有六周的假期。
- Enables you to specify multiple fields for display, per item in an object list. 允许为对象列表中的每一项指定多个字段以进行显示。
- 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。
- 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?
