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Direct Variation

正变分

1、正变

...误差检测和校正编码器 error-detexction and corrrect encoder正变 direct variation正边沿触发时钟脉冲 positive edge clock ...

2、定向变异

... 定向变异 direct variation 定向突变 directed mutation （染色体）定向不分离 directed nondisjunction ...

Direct and inverse variation正反的变化

数学

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