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单词 Ratio analysis
释义

Ratio analysis

中文百科

比率 Ratio

(重定向自Ratio analysis)
标准画质电视的长宽比

在中文里,比率这个词被用来代表两个数量的比值,这包括了两个相似却在用法上有所区分的概念:一个是比例(ratio)的值;另一是变化率英语:rate of change,或简称 rate),是一个数量相对于另一数量的变化量,例如,速率是物体的移动距离相对于时间的变化量,以每单位时间的移动距离来表示;心跳率是每分钟的心跳次数;税率则是每单位收入所应缴的税金。

英语百科

Ratio 比率

(重定向自Ratio analysis)
The ratio of width to height of standard-definition television.

In mathematics, a ratio is a relationship between two numbers indicating how many times the first number contains the second. For example, if a bowl of fruit contains eight oranges and six lemons, then the ratio of oranges to lemons is eight to six (that is, 8:6, which is equivalent to the ratio 4:3). Thus, a ratio can be a fraction as opposed to a whole number. Also, in this example the ratio of lemons to oranges is 6:8 (or 3:4), and the ratio of oranges to the total amount of fruit is 8:14 (or 4:7).

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更新时间:2025/6/25 18:08:56