The sensitivity of the dielectric equipment is to be checked at least once each year.
绝缘设备的灵敏度每年至少检查一次。
I try to go to each of my favorite places once a year.
我试着每年去一次自己最喜欢的地方。
Each year 93% of American households shop at Wal-Mart at least once.
93%的美国家庭每年在沃尔玛至少消费一次。
Once or twice each year, snow and sleet move into the area.
雪和冻雨每年要光顾这个地方一两次。
They could once again battle each other next year.
也许明年他们又将继续交手。
During the year to review your performance with your team leader. Aim to do this every quarter but at least once each half year.
与你的直属主管一起进行年中绩效回顾。建议每季度一次，但至少每半年一次。
During the year to review your performance with your team leader. Aim to do this every quarter but at least once each half year.
与你的直属主管一起进行年中绩效回顾。建议每季度一次，但至少每半年一次。
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