而且,一个函项就是“有序对”(ordered pairs)的集合,它满足这样一个限制,即在任何时候,第一个元素或中项(argument)是相同的,第二个元素(或值)是相同的。
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Draws a bezier spline defined by four ordered pairs of coordinates that represent points.
绘制由四个表示点的有序坐标对定义的贝塞尔样条。
By "the graph of the set of ordered pairs" is meant the set of all points of the plane corresponding to the set of ordered pairs.
通过“序偶集的的图形”,说明了平面的所有点集与序偶集相对应。
I ordered five pairs of glasses total, from four different retailers and started receiving pairs about a week later.
我一共从四个不同的零售商那里订购了五副眼镜,大约一周后开始陆续到货。
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