range of variation meaning in English

变差范围
变化范围
变异范围
偏差范围

Such a range of variation is termed a cline .
这样一个变异区域称为梯度变异。
In more northern plantations the total range of variation is less .
在北部的试验栽植点则总的变异幅度较小。
From the same basic ingredients , comes a bewildering range of variations on a theme
介绍了这么多，不过其实这些只不过是小小的一部分。
A lot of data in database is continuous variable , the future value of this data is expected to be predicted , the predicted only need a range of variation , but need an exact value
摘要数据库中有许多数据是处于不断变化中的，对于这些数据，人们希望能对其未来的取值作出预侧，预测的结果并不需要知道这些数据的具体取值，而只需得出一个变化范围。
Experiment shows the proposed method can real - time detect the frontal human faces successfully with a range of variations in color , lighting , scale and light expression from color image with complex backgrounds
从实验结果可以看出本文提出的方法在较为复杂的环境下具有一定的鲁棒性，并能对不同大小并具有轻微表情的正面的人脸实现实时检测，结果显示该方法具有一定的实用性。