變換一個空間與另一個空間或自身的一一對應(yīng)A mapping of one space onto another or onto itself.同態(tài)向兩邊延伸的兩個幾何圖形在各點上的一一對應(yīng)A one - to - one correspondence between the points of two geometric figures that is continuous in both directions.等價的，等積的能排列成一一對應(yīng)的。用在兩組數(shù)上Capable of being put into a one - to - one relationship.Used of two sets.無窮集的能與自身的一個子集發(fā)生一一對應(yīng)的集的，與其有關(guān)的Of or relating to a set capable of being put into one - to - one correspondence with a proper subset of itself.函數(shù)兩組元素一一對應(yīng)的規(guī)則，第一組中的每個元素在第二組中只有唯一的對應(yīng)量A rule of correspondence between two sets such that there is a unique element in the second set assigned to each element in the first set.映象一種集合間一一對應(yīng)關(guān)系的規(guī)則，一個集合中的每個元素與同一或另一集合中的一個元素相對應(yīng)A rule of correspondence established between sets that associates each element of a set with an element in the same or another set.在程序中，編輯時用于修改某字段中各字符的一串字符。形象中的字符與字段中的字符之間有一一對應(yīng)關(guān)系。In a program,a string of characters used in editing to modify the individual characters in a field.There is a one - to - one relationship between the characters in the picture and the characters in the field.同構(gòu)的兩組元素的一一對應(yīng)的關(guān)系，這種關(guān)系使得對其中一組元素進行運算的結(jié)果對應(yīng)于對它們在另一組中的像進行類似的運算所得的結(jié)果A one - to - one correspondence between the elements of two sets such that the result of an operation on elements of one set corresponds to the result of the analogous operation on their images in the other set.具有多條輸入線和多條輸出線的一種設(shè)備，輸入線中一次最多只有一條線載有信號，但輸出線中可有多個線載有信號。輸出信號和輸入信號的組合之間存在一一對應(yīng)的關(guān)系。A device that has a number of input lines of which not more than one at a time may carry a signal and a number of output lines of which any number may carry signals,there being a one - to - one correspondence between the combinations of the output signals and the input signals.對應(yīng)關(guān)系一個集合中的一個或多個元素與同一個或另一個集合中的一個或多個元素之間的一一對應(yīng)The correspondence of one or more elements in one