年变 meaning in Chinese
annual variation
change by year
Examples
- 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。 - The temperature variations during a year have maxima at the poles, where the annual variation of the inflow of solar energy is also maximum .
两极地区一年温度变化极大，太阳能入射量的年变幅也极大。 - The river has narrowed down over the past 20 years
这条河在过去的二十年变窄了许多。 - The water temperature varies in a range of 4 near the bed and 10 on the surface
库底水温变化平缓，年变幅在4以内;库表水温年变幅约10 。 - We analyze the variational regularity of the water radon data in fujian province in this paper and try to use three indices such as relative mean square error , noise level and relatively annual changing extent to judge the data stability of eight water radon spots in fujian
摘要对福建省水氡观测资料变化规律进行了分析，并利用相对均方差、拟合噪声水平和相对年变幅三项指标，对福建省8个水氡点的观测资料的稳定性进行了评定。