The trends of temperature and precipitation in the north of the Northeast China are studied by using the trend coefficient based on the 1951 ~ 1999 data over 6 stations in Heilongjiang Province.
根据195 1 ~ 1999年黑龙江省代表站的历年逐月的气温、降水量资料，用计算趋势系数的方法，研究了东北北部冷暖旱涝趋势的问题。
The wavelet coefficient curves of temperature and precipitation on different time scales reveal that the long periodical variation trend is quite different from the short.
气温和降水在不同时间尺度上的小波系数变化曲线图揭示了气候的长期和短期变化趋势有很大不同。
The trend of rainfall enhancement potential coefficient was identical with that of rainfall, which can provide reference for choosing appropriate seeding time.
增雨潜力系数与降水的演变趋势很一致，可为选择合适的作业时机提供参考。
Select the items through the discrete trend analysis, factor analysis, stepwise regression analysis, discriminant analysis and Crowns Bach coefficient method to the survey result.
通过对调查结果进行离散趋势分析、因子分析、逐步回归分析、判别分析法和克朗巴赫系数法等分析方法筛选条目。
Before 1980, no trend could be seen, but after 1980, the annual runoff coefficient tended to decrease.
年径流系数的变化和年径流量的变化相似，1980年以前无趋势性变化，1980年后有减小的趋势。
The rule about impact coefficient has increased trend with increasing of train velocity in section of middle of span.
随着列车车速的增加，跨中动力系数有增大的趋势。
Meanwhile, we choose different costal board width ratios, in order to get the trend of head water losing coefficient.
结合山西省西龙池抽水蓄能电站，对引水岔管进行了物理模型试验，研究了肋宽比对岔管局部损失系数的影响。
By nonlinear regression analysis the change law is found that with the increase of geostress the permeability coefficient will decrease with negative exponential trend.
然后通过回归分析，可以发现该地区渗透系数随地应力值的增大呈负指数递减的变化规律。
The impact coefficient on carbon emissions of primary export products shows a growing trend, while the coefficient of industrial export products shows a decreasing trend.
其中初级产品出口对碳排放的影响系数呈逐渐增加的趋势，而工业制成品出口对碳排放的影响系数呈逐渐降低的趋势。
The coefficient of brittle stress drop is correlative with the index of rockburst trend in an opposite way, so it can be used to evaluate the rockburst trend.
应力脆性跌落系数与岩爆倾向性指标呈显著反相关关系，可用来作为评价岩爆倾向性的指标之一。
Between the two type deck sections, the trend of mean drag coefficient varying with Reynolds number is opposite to each other, which challenges the traditional opinion on the blunt section;
型断面阻力系数雷诺数效应与近流线型断面规律相反，升力矩及升力系数雷诺数效应不明显；
Between the two type deck sections, the trend of mean drag coefficient varying with Reynolds number is opposite to each other, which challenges the traditional opinion on the blunt section;
型断面阻力系数雷诺数效应与近流线型断面规律相反，升力矩及升力系数雷诺数效应不明显；
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