unknown number
未知数
常用释义
英式发音
美式发音
基本释义
- 未知号码：对收件人来说不熟悉的电话号码，也可以指对收件人隐藏的电话号码。
例句
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1·The letter "x" often represents an unknown number in some Math exercises.在一些数学练习中，字母“x”通常代表一个未知数。
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2·An unknown number of demonstrators were arrested.不知多少示威者被逮捕了。来源: 《柯林斯英汉双解大词典》
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3·The sign X denotes an unknown number.符号表示一个未知数。
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4·The sign X stands for an unknown number.在代数中，符号x通常代表一未知数。
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5·In math, X is used to stand for an unknown number.在数学中，X被用来代表一个未知数。
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6·The unknown number can be calculated from the data.通过已知数可以算出未知数。
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7·Write out the equality that contains unknown number.列出含有未知数的等式。
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8·An unknown number drowned in the floodwaters or died later of injuries.被洪水淹死及受伤后死去的宠物数量至今还不清楚。
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9·They have an unknown number of binary digits, which you cannot control.他们有数目不详的二进制数字，你无法控制。
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10·If you want to get the unknown number, you should know the known number first.如果要想求出未知数，你首先得知道已知数。
同义词