查询词典 variation

This spiral shape is unique. It is definitely not a variation of the aurora borealis - northern lights.

这种螺旋形状是很特殊的，肯定不会是某种极光现象的变种。

Speech variation is important for clinical examinations in auscultation of traditional Chinese medicine.

中医闻诊以患者声音的变化为诊断的依据，是临床辨证重要的一环。

Four characteristic parameters, mean value, variation coefficient, skewnesscoefficient and first-order autocorrelation coefficient, of these precipitation series areestimated with classical statistics.

利用经典统计学理论计算了研究区域上样本站和检验站的年降水序列的特征参数——均值、变差系数、偏态系数和一阶自相关系数。

Objective To study spatial autocorrelation and spatial variation of urinary iodine of children and to provide references for statistical data analysis of spatial disease.

目的 探讨碘缺乏病监测资料儿童尿碘的空间自相关性及变异情况，为地方病的防治提供科学的依据，为疾病空间数据的分析提供统计学方法上的参考。

In order to find the difference of the isotopic composition of different organic compounds before and after complexation, the autogamy standard sample is performed by molecular sieve adsorption to study the variation of the isotope compositions of n-alkanes, isoalkanes and cyclanes.

通过对自配标准样品进行S分子筛吸附试验，测定了用5分子筛吸附法分离前后正构烷烃、异构烷烃和环烷烃碳同位素值，探讨试验前后碳同位素值的变化。

Based on the autoregression equation for the standard variation of the residual errors obtained by ordinary regression analysis, the least square estimates and the maximum likelihood estimates for the regression, the autoregression and the moving average coefficients are derived.

提出一种异方差回归－时序模型，通过建立回归分析残差的标准差自回归方程，给出回归系数、自回归系数和滑动平均系数的最小二乘估计和极大似然估计。

Mapping for the wind direction with height variation can be arbitrary scaling and add auxiliary line.

用于绘制风向风速随高度变化图，可以随意缩放，且添加辅助线。

The digital pro-cessor can automatically compensate presetting frequency variation with process and temperature, and control the operation of the auxiliary tuning loop.

数字处理器不仅能够自动的补偿由于工艺误差和温度所造成的预置频率的偏差，还能够控制辅助反馈环路的打开和关闭。

The average standard deviation and variation coefficient of crop coefficient estimated with NWSE model were 0.13 and 0.12 respectively.

NWSE模型计算的作物系数的平均标准差为0.13，平均变差系数为0.12。

China, zoogeographical subregion, avifauna, geographical distribution pattern,temporal and spatial variation

中文关键字：中国，动物地理亚区，鸟类，地理分布格局，时空变化

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"