这样一个变异区域称为梯度变异。
人们认为这种梯度变异可能是降水量，温度也许还有光周期等地理趋势造成的结果。
The cline is considered the probable result of geographic trends in precipitation, temperature, and perhaps also photoperiod.
结果中国人群HLA -A位点的第一主成分自北向南形成了明显的遗传地理梯度变异。
Results the first principle component of the HLA -a loci in the Chinese population has obvious geographic genetic structure from north to south.
温度梯度凝胶电泳(TGGE)是一种用于检测核酸序列变异和点突变的电泳方法。
Temperature gradient gel electrophoresis (TGGE) is a new and powerful electrophoresis method for separation of nucleic acids (DNA and RNA) and analysis of sequence variations.
而且矿区、矿化集中区还位于反映深部构造变异的局部重力异常区边缘、区域航磁走向中断区或梯度变化带附近。
Ore zones occur in the edge of local positive gravity anomaly, in the strike interrupted area or steep gradient area of regional aeromagnetic anomaly.
研究了垂直形变异常与地震的对应关系，地震发生在垂直形变隆起区的边缘形变高梯度带上。
And the corresponding relationship between crustal deformation and earthquake is researched, the earthquake oc curred in high gradient belt along the edge of vertical deformation upward district.
研究了垂直形变异常与地震的对应关系，地震发生在垂直形变隆起区的边缘形变高梯度带上。
And the corresponding relationship between crustal deformation and earthquake is researched, the earthquake oc curred in high gradient belt along the edge of vertical deformation upward district.
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