查询词典 variation compass

The results show that there are obvious daily variation of concentrations of O〓、SO〓、SO〓、NO〓. The daily variation characteristic are unlikeness in different season.

结果表明，臭氧，硫酸盐，二氧化硫，二氧化氮等浓度分布有明显的日变化，日变化特征在不同季节有较大的差异。

Based on ozonesonde data for 20012003,some variation characteristics of the tropopause height and its influence on ozone variation in upper troposphere/lower stratosphere region over Beijing are discussed.

根据2001～2003年期间获得的大气臭氧探空资料，揭示了北京地区上空对流层顶高度的某些变化特征及其对上对流层和下平流层区域内大气臭氧含量变化的影响。

It is learnt from the correlation analysis with the EMD decomposition results of Southern Oscillation Index that the upper ocean temperature variation of the DP might be effected by the surface air pressure variation of the decadal time scale in the tropical Pacific Ocean.

与南方涛动指数的年代际时间尺度分量的相关性分析结果表明，热带太平洋海面气压场的变化对德雷克海峡上层海洋温度的年代际变化有一定影响。

The organic matter and total N"s variation of the upper and below layer were identical whose range remained constant in each season; the soil NlV-N content in the upper layer was higher than hi the below in Spring and Autumn, but this change was complicated hi Summer and Winter owing to different forest measures; the peaks and valleys of NCV-N hi the upper and below soil layer appeared in the same tune, but the change showed no laws in different forest lands; the variation of the available N was approximate to NHU+-N; the range of each layer"s change of the hydrolysable N was identical that appearedparallel lines in figure.

土壤上下层有机质、全氮量的时间变化趋势相同，层间差异量基本维持在恒量水平；春、秋季铵态氮含量上层明显高于下层，夏、冬季随还林措施不同而表现复杂；上下层硝态氮波谷、波峰的出现时间大致相同，但不同还林地的变化规律较复杂；速效氮的变化趋势与铵态氮类似；土壤上下层水解氮的时间变化几乎同步，在图上表现为两条近似的平行线。

Study shows that,pH smallest coefficient of variation was 12.95%,coefficient of variation of soil available phosphorus was the largest,varia...

研究表明，pH的变异系数最小为12.95%，土壤有效磷的变异系数最大，变异值达到了122.18%；经克里金插值分析，研究区土壤养分的空间相关性减弱，朝均一化发展，这说明了红花套镇土地养分变化受人为因素影响较大，当地的土壤适合并已形成大面积的发展种养殖业，传统的稻、麦、棉种植数量和产量都与红花套镇的人平纯收负相关，对当地人平纯收贡献最大的是柑桔总产，相关系数分别为0.822，0.966，土地利用效率最大的是水产品养殖，相关系数分别为-0.760，0.870。

This paper has produced the physical meaning of the water radon variation rate and the production method of the dynamic pattern of the variation rate .

介绍了水氡变化率的物理含义以及变化率动态图象的生成方法。

After a consideration of the movement revision of the atomic nucleus,by using a variation wave function of a parameter k to discuss the ground state energy for the B+++ ion to carry on the variation computation..

考虑对原子核运动的修正后，通过使用一个带松弛坐标参数k的变分波函数对B+++离子的非相论基态能量进行了变分计算。

A numerical approach is proposed to quantity the dominance degree of all dimensionless parameters based on the analysis of the sensitivity factor defined as the variation ration of a target function with respect to the variation of dimensionless parameters.

系统介绍了相似参数敏感性分析方法，定义了表征目标函数对相似参数依赖程度的敏感因子，结合数值方法便可定量地确定复杂体系主要相似参数，并实际应用于工程问题。

It unifies the variation of parameters and structure of system that leads to the variation of its time scale.

时间尺度的概念将对象参数和结构的变化导致系统快慢特性的变化统一在一起，所以控制器参数整定的时间尺度变换公式也给出了控制器对对象不确定的适应性和控制器对其自身参数变化的鲁棒性的新的涵义。

The variation of litter quality parameters were not corresponding to the variation of decomposition rates one by one.

可见在跨气候带的凋落叶分解过程中，气候因子的控制作用较强于凋落叶初始基质质量的控制作用。

I go to school at night.

我是上上学。

Clear Tip Nasal Aspirator: A soft time and gentle suction action makes removing excess mucus easy.

鼻吸明确提示：一个柔软的时间和温柔吸力行动使消除过剩的粘液容易。