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单词 random
释义
random
(rændəm )
1. adjective [usually ADJECTIVE noun]
A random sample or method is one in which all the people or things involved have an equal chance of being chosen.
The survey used a random sample of two thousand people across England and Wales.
The competitors will be subject to random drug testing.
Synonyms: chance, spot, casual, stray  
randomly adverb [ADVERB with verb]
...interviews with a randomly selected sample of thirty girls aged between 13 and 18.
2. adjective [usually ADJECTIVE noun]
If you describe events as random, you mean that they do not seem to follow a definite plan or pattern.
...random violence against innocent victims.
Children's words and actions are often fairly random.
...random variations of the wind.
randomly adverb [ADVERB with verb]
...drinks and magazines left scattered randomly around.
randomness uncountable noun
Isn't this a demand to control the randomness of life?
3. at random phrase
If something happens at random, it happens without a definite plan or pattern.
Three people were killed by shots fired at random from a minibus.
4. at random phrase
If you choose people or things at random, you do not use any particular method, so they all have an equal chance of being chosen.
We received several answers, and we picked one at random.
Synonyms: haphazardly, randomly, arbitrarily, casually  
Collocations:
random nature
I apologise for the somewhat random nature of this column.
Times,Sunday Times
We jumped on, enjoying the random nature of our journey.
Times, Sunday Times
The skill of the writing lies in the way it wraps past and present, conveying the episodic, disjointed, random nature of memory.
Times, Sunday Times
He laughs at the random nature of their encounter.
Times, Sunday Times
Others refer to the random nature of war and who becomes an enemy.
Times, Sunday Times
random process
Random graphs may be described simply by a probability distribution, or by a random process which generates them.
Retrieved from Wikipedia CC BY-SA 3.0
The observed phenomenon may be an essentially random process, or it may be an orderly, but noisy, process.
Retrieved from Wikipedia CC BY-SA 3.0
Session tokens should be chosen by a (pseudo-) random process.
Retrieved from Wikipedia CC BY-SA 3.0
The random process took on a 100 percent certitude.
Retrieved from Wikipedia CC BY-SA 3.0
The second random process can give rise to genetic mistakes.
Retrieved from Wikipedia CC BY-SA 3.0
random search
The judges also found that a random search was not a breach of human rights.
Times, Sunday Times
They did not do so in pursuit of any major impropriety, but simply in a random search for political copy.
Times, Sunday Times
Random searches of young offenders, their parents and carers visiting the team's offices also take place, after police voiced their concern.
Times, Sunday Times
It will also conduct random searches.
Times, Sunday Times
There were early signs that the increased checkpoints and random searches of vehicles were reducing the level of violence.
Times, Sunday Times
random sequence
The order of inductions within each age group would be determined by a lottery which matches a random sequence number with birth dates.
Christianity Today
Bizarrely, it was the rapper's reputation for politeness which provided one of the key clues in untangling the message hidden in the random sequence of apparently hastily-scrawled numbers.
Times, Sunday Times
In this following random sequence, two of the words are very common and the others are compound forms.
Times, Sunday Times
To encipher a message, the operator sets the key wheels to a random sequence of letters.
Retrieved from Wikipedia CC BY-SA 3.0
When compared to a random sequence of scenes, the specific order of events seemed to be strongly associated with this similarity in brain activity.
Retrieved from Wikipedia CC BY-SA 3.0
random test
He was given a random test at his home and the results were positive.
The Sun
Some schools present them as simply another random test, instead of investing them with this fake, terrifying importance.
Times, Sunday Times
A random test on the contents of dried oregano has found that one in four samples contained ingredients other than that specified.
Times, Sunday Times
Thus, such semantically small faults are hard to find using random test data generation.
Retrieved from Wikipedia CC BY-SA 3.0
Random test generators range in scope from simple scripts and parameterized macros that can be created in a matter of weeks to full featured systems requiring extensive software development.
Retrieved from Wikipedia CC BY-SA 3.0
random testing
All 32 squads have been warned to expect random testing throughout the month-long tournament.
The Sun
In the process we'll need to reinstate random testing and the gathering of intelligence from industry, both of which recently seem to have been lost.
Times, Sunday Times
The random testing would also include collecting samples of players' saliva.
The Sun
Unlike in athletics, golfers do not have to give a one-hour time slot every day for random testing.
Times, Sunday Times
He has previously suggested that key stage testing of whole year groups should be replaced by random testing and teacher assessments that measure individual pupil progress.
Times, Sunday Times
random thought
You can get away with random thoughts that sound good in defense of a world view that ultimately doesn't make sense.
Christianity Today
Due to a random thought triggered by a chance comment, he makes a vital connection that ultimately leads him to the identity of the true perpetrator.
Retrieved from Wikipedia CC BY-SA 3.0
I have some random thoughts on this: put simply, he eats too much, moves too little.
Times, Sunday Times
In the cut-and-paste world of texted chatroom dialogue, a conversation between two voices becomes a ping-pong match of random thoughts.
Times, Sunday Times
Elsewhere, there are diary entries, random thoughts and opinions, and sketches of scenes from romantic tales.
The Times Literary Supplement
random variation
They may discern no obvious rules governing this strange and apparently random variation.
Times, Sunday Times
People live out their names to a greater degree than can be explained by random variation.
Times, Sunday Times
The quality of the opposition, random variation, the way the rest of the team play, all have an impact on performance.
Times, Sunday Times
Things are bad enough at the end of the season, where random variation often settles the winner of the title and who goes down.
Times, Sunday Times
This control can be subject to pure random variation or it can be influenced by external factors, such as nutrition.
Times, Sunday Times
seemingly random
Or maybe it's an alien space-pod that has somehow come to rest daintily on a seemingly random array of granite boulders.
Times, Sunday Times
Some thin thread connecting these seemingly random acts of criminal activity?
Times, Sunday Times
Currently, however, even seemingly random objections are probably founded on fact, even if things haven't been thought through.
Times, Sunday Times
Instead, however, he receives no money, just an envelope containing some seemingly random objects.
Times, Sunday Times
At some point during the first trip another student came up to me in a souvenir shop and asked me a seemingly random question.
Christianity Today
totally random
It was a totally random event, but an extremely powerful one.
Times, Sunday Times
It was totally random and unprovoked.
The Sun
They are totally random and completely unfounded.
The Sun
Flats are packaged and sold in small quantities that are partially or totally random.
Retrieved from Wikipedia CC BY-SA 3.0
He would enter a shop and ask a member of staff confusing and totally random questions.
Retrieved from Wikipedia CC BY-SA 3.0
Translations:
Chinese: 任意的
Japanese: 手当たり次第の
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更新时间:2025/2/5 16:07:04