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the randomness of sth
通常接 of 说明随机性的来源或所属对象。
The randomness of the numbers makes the game fair.
数字的随机性使游戏公平。
随机性；无规律性；无计划性
先理解核心含义，再看它在真实句子里的用法。
随机性；无规律性；无计划性
the quality of lacking any predictable order or plan
The randomness of the numbers makes the game fair.
数字的随机性使游戏公平。
所有可能结果出现概率相等的性质。
The property of all possible outcomes being equally likely.
(热力学)表示系统中不再可用于机械工作的能量的热力学量
(thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work
用概率分布描述的一类情况或事件。
A type of circumstance or event that is described by a probability distribution.
缺乏可预测的顺序或计划的特性
the quality of lacking any predictable order or plan
Tossing a coin shows the perfect randomness of chance.
掷硬币展示了运气完美的随机性。
The teacher asked us to measure the randomness of the number sequence.
老师让我们测量这个数列的随机性。
Some people enjoy the randomness of street music, never knowing what they will hear.
有些人喜欢街头音乐的随机性，永远不知道会听到什么。
通常接 of 说明随机性的来源或所属对象。
The randomness of the numbers makes the game fair.
数字的随机性使游戏公平。
degree 表示程度，常与 there is 连用。
There is a degree of randomness in the results.
结果中有一定程度的随机性。
add 后接随机性，表示引入随机因素。
The app adds randomness to your playlist.
这个应用为你的播放列表增加随机性。
in 后接范围或数据集。
Researchers observed randomness in the data.
研究人员在数据中观察到随机性。
Not this
The results are randomness.
Use this
The results are random.
randomness 是名词，不能放在 be 动词后作表语来描述主语；表达“结果是随机的”要用形容词 random。
Not this
The computer chose the numbers at randomness.
Use this
The computer chose the numbers at random.
at random 是固定短语，意为“随机地、任意地”，其中的 random 不能换成名词 randomness；改为 at random 后介词短语才成立。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
纯粹的随机性
The winning numbers were chosen by pure randomness.
中奖号码是纯粹随机选出的。
随机性因素
Trading always has an element of randomness.
交易总带有随机性因素。
随机程度
The degree of randomness in the sequence was hard to measure.
该序列的随机程度很难衡量。
表面上的随机性
The apparent randomness of the pattern disappeared once we saw the rule.
一旦我们看清了规则，模式表面上的随机性就消失了。
统计随机性
The generator produces data with strong statistical randomness.
该生成器产生的数据具有很强的统计随机性。
随机性来源
Radio noise is often used as a source of randomness.
无线电噪声常被用作随机性来源。
Use randomness naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
随机：random（乱）加上名词后缀-ness，事情乱得没规律，就是随机性。
语域：neutral 常见场景：概率统计课程、日常交流、学术写作 randomness 在日常口语和学术写作中都较常见，整体属于中性词；在概率统计或物理学语境中多作术语使用，正式感稍强，而在日常谈论“偶然、无规律”时语气更轻松。选择时可随语境自然调整，不必刻意区分正式或非正式。
复数形式 randomnesses 较少见，多用于数学或技术语境中表示不同类型的随机情况。
Dictionary facts from ECDICT, WIKTIONARY.