transformations

转变的行为或状态

The act of transforming or the state of being transformed.

质变

a qualitative change

外观或性格的显著变化,尤其是向好的方向

A marked change in appearance or character, especially one for the better.

(数学)改变坐标系轴的位置或方向的函数

(mathematics) a function that changes the position or direction of the axes of a coordinate system

将代数表达式中的变量替换为另一组变量的值；将一个空间映射到另一个空间或自身；改变坐标系轴的位置或方向的函数

The replacement of the variables in an algebraic expression by their values in terms of another set of variables; a mapping of one space onto another or onto itself; a function that changes the position or direction of the axes of a coordinate system.

描述一种句法结构转换为另一种相关句法结构的规则

a rule describing the conversion of one syntactic structure into another related syntactic structure

系统地将一种句法形式转换为另一种的规则；由此规则派生的句子

A rule that systematically converts one syntactic form into another; a sentence derived by such a rule.

由于从另一个细胞转移DNA而引起的细菌细胞变化,尤其是致病的

The alteration of a bacterial cell caused by the transfer of DNA from another, especially if pathogenic.