英语释义

1. the yearly change in a star's mean right ascension or declination produced by precession of the equinoxes and proper motion of the star

片语

annual change年差，年变化；每年磁变

Annual dynamic variation年变动态

annual wave variation年波动

annual runoff variation年径流量变化

annual moisture variation周年水分变化

annual temperature variation年温变化

annual l variation年变化

annual quantity variation年间数量变动

英汉例句

• the scientists observed the redstarts in their non-breeding territories for five years during the dry season. they paid special attention to the annual variation in dry season rainfall.

  科学家们在旱季对这些在非繁殖地的红尾鸲观察了5年，同时又特别观察了旱季降雨的年际变化。

• there is obviously annual variation in the summer temperature in nanchang, and the mean summer temperature has decrease tendency.

  南昌夏季平均气温存在明显的年际变化特征，夏季平均气温有下降的趋势；

• in addition, the relationships between the annual variation of the lake water level, the weather systems affecting antec…

  对于湖水位年际变化与前期降水影响系统、不同气候类型以及地面气象要素的关系作了统计分析。

• the annual variation of the salinity is complex, and closely related to the precipitation and evapotranspiration in qing-dao.

  盐度年变化较复杂，与降水量和蒸发量密切相关。

• the sea surface temperature(sst) over equatorial eastern pacific was the most important force factor for the seasonal and annual variation of east asian monsoon circulation.

  冬季赤道东太平洋海温变化是冬、夏东亚环流季节以及年际变化的一个重要外强迫因子。

• the annual variation in quantity showed a decreased trend with a most extent in autumn.

  年际变化呈减少趋势，秋季变化幅度最大；

• annual variation in the contents of the main nutrient elements in the leaves and the fruits of persimmon tree were carried out in 1985 and 1987.

  于1985和1987两年对柿树叶片和果实中主要营养元素含量的年周期变化进行了研究。

• the annual variation of soil temperature under mulching changed more smoothly than that of the control (ck), so the differences among the soil layers were small.

  覆盖处理后土壤温度年变化较对照平稳，其各土层的温度日较差较小。

• different ways of stabilizing the outside temperature were employed. a slow periodic annual variation of its readings was observed with amplitude of about 500 microgals.

  使用不同恒温条件，发现以一年为周期的缓慢变化，幅度可达500微伽。

• the total annual precipitation varied greatly from year to year. the annual variation of precipitation is larger than the annual variation of rainy days.

  降水量的年际变化幅度较大，多年变化呈明显的丰水、平水、枯水年交替发生现象；

• from this model section, a formula is obtained for calculating the amplitude of relative apparent annual variation of resistivity at a station characterized by two resistivity layers.

  从此观点出发，导出以二层电性剖面为特征的台站正常地电阻率相对似年变化幅度公式。

• in addition, this paper gives an example of quantitative analysis of the annual variation of apparent resistivity.

  本文还举了一个定量分析视电阻率年变化的例子。

• the annual variation of volatile phenol concentrations presented rising trend from 1998 to 2000, and downtrend from 2000 to 2005.

  挥发性酚含量年际变化趋势为1998~2000年呈上升趋势，2000~2005年呈下降趋势。

• the annual variation appears a tri-peak form in the curve of dekad- or pentad-hail days evolution.

  从旬或候雹日演变看，冰雹年变化具有三峰型；

• the temperature variations during a year have maxima at the poles, where the annual variation of the inflow of solar energy is also maxtmum.

  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 annual variation of eta is also obvious, and the minimum-value is less than half of the maximum value.

  耗水量的年际变化也很大，其最小值还不到最大值的一半；

• in winter, the annual variation of q net in eastern pacific is opposite to that in western pacific.

  冬季赤道东、西太平洋凈热通量异常的年际变化相反；

• the third chapter is dynamic evaluation, by establishing a series of evaluation index system, which analyzes annual variation of from quantitative perspective.

  第三章是动态评价部分，通过建立一系列的评价指标体系来定量分析重庆经济可持续发展能力的年度变化；

• the decrease in annual variation in yield suggests that europe has a superior combination of seed and crop management technology and is better suited to withstand weather variations.

  欧洲农业产量年度波动减少，意味着欧洲具有更好适应于气候变化的更优越结合在一起的种子与农作物管理技术。

• the results show that the annual variation of water level in ma 17th well is not caused by the water exploitation in ma 16th well, but by air pressure interference.

  结果表明马17井的动水位年变化是气压干扰所致，与马16井采水无明显关系。马16井冬季开采热水对马17井动水位观测无明显影响。

• the gravimetric observation curves at chengdu standard station showed significantly annual variation period, with air pressure and ground water being main interference factors.

  成都基準台的重力观测曲线具明显年变周期，其干扰因素主要为气压和地下水。

• the study on annual variation of community structure of zooplankton and the correlation between ecological factors and zooplankton was conducted in yeyahu in beiji.

  本文研究了江苏太湖浮游动物（桡足类、枝角类、轮虫）群落结构的周年变化以及与生态因子的相关关系。

• by using the method of cluster analysis, the annual variation curve types of the sunshine percentage in china are divided into 12 divisions.

  本文根据日照百分率年变程曲线类型，应用聚类分析方法，把全国划分为12个日照区。

• in addition, the relationships between the annual variation of the lake water level, the weather systems aff…

  对于湖水位年际变化与前期降水影响系统、不同气候类型以及地面气象要素的关系作了统计分析。