per year meaning in English
每年
Examples
- Less extreme rate range from a few feet per day to a few feet per year .
不太极端的速度介于每天几英尺和每年几英尺之间。 - Workers at nuclear installations are not supposed to receive more than 5 rad per year .
从事原子核工作的人员，每年接受的照射不许超过5拉德。 - The point source data file contains data for sources emitting more than a specifilc amount of a pollutant per year .
点污染源数据文件列有每年超量排放污染物的污染源数据。 - In fact, it is common practice to express the pulsar slowdown as the period divided by the period change per year .
事实上，人们通常用周期与周期年变率之比来表示脉冲星的减速。 - Most of the united states east of the hundredth meridian receives a rainfall of thirty inches or more per year .
美国在子午线一百度以东的大部分工区，每年都有三十英寸以上的雨量。