upper variation

After analyzing the 11-yr, 27 days and diurnal variation of upper atmosphere caused by solar activity, a calculation method for MET model atmosphere density is presented in which solar activity is taken into account.

该文分析了高层大气与太阳活动有关的11周年变化、27天变化以及周日变化，讨论了考虑太阳活动的MET模式大气密度计算途径，并且介绍了卫星大气阻力加速度模型。

According to the variation model of Pb isotopic composition in crustal vertical section, the northern Dabie complex is beneath the southern Dabie ultrahigh-pressure metamorphic belt and the former is of the middle-lower crustal properties and the latter is of the upper crustal properties.

考虑到北部杂岩带在地壳结构上应位于南部超高压带之下，以及北大别正片麻岩具有中、下地壳性质而南大别花岗片麻岩则具有上地壳特征。

Excess pore water pressure in soft foundation under sea embankment undergoes a cyclic variation due to the change in unit weight of upper accumulation with the tide level.

当潮位的涨落引起上部堆载容重变化时，海堤下软基的超孔隙水压力将随潮位呈周期性变化。

It is quite possible that the upper water structure variation in West Pacific Warm Pool results from changes of the equatorial Pacific wind field and determines local primary productivity.

推测西太暖池核心区的上部水体结构变化是赤道太平洋海区风场变化的结果，并且控制了WP7站位初级生产力的变化。

The upper 2 expanding leaves of tube seedlings, cut into 4 mm X 4 mm and inoculated with abaxial layer downside may have the greatest regeneration efficiency. This variation was shown in the stage when the leaves were expanding.

组培苗顶端前2节位展开叶片，切成4mm×4mm左右，远轴面接触培养基时的再生效果最好。这种变化主要表现在叶片全展前后，到叶片发育后期则接近野生型。

Variation of slope failure on upper reaches area of Hanjiang River

汉江上游斜坡破坏的变异

The calculated results show that the spontaneous emission rate displays multi-periodical oscillations with the variation of the thickness of the slab, when the ratio of distances from the emission atom to the upper and lower interfaces is fixed.

计算结果表明：随着介质板厚度的增加，当保持发光原子与上下界面的距离之比不变时，原子自发辐射速率呈现衰减的多周期振荡现象。

Taking the physical property variation of focal media after earthquake into account, we propose a method to invert for the viscosities in lower crust and upper mantle from GPS temporal series measurements.

在考虑震后震源区介质物性变化的情况下，本文提出利用GPS观测的时间序列资料反演地壳、地幔黏度的方法。

The variation law of annual maximum peak discharge time series at Cuntan station of the upper reaches of Yangtze River has been probed, including trends and periods analysis.

从趋势分析和周期分析两方面分析长江上游寸滩站年最大洪峰流量演变规律。