英汉词典

  • null

    英:[nʌl]   美: [nʌl] 

    null 基本解释

    adj.

    零值的;等于零的;(协议) 无法律效力;失效的

    英英释义

    null[ nʌl ]

    n.a quantity of no importance

    同义词:nothingnilnixnadaaughtciphercyphergoose eggnaughtzerozilchzipzippo

    adj.lacking any legal or binding force

    "null and void"

    同义词:void

    null 相关例句

    词组短语

    null and void无效的

    null hypothesis零假设;虚假设;解消假设

    null space零空间

    null value空值

    null pointer空指针

    null string空行;空串

    更多收起词组短语

    双语例句

    用作形容词(adj.)
    1. Their actions rendered the contract null and void.
      他们的行为使合同无效。
    2. The marriage was declared null and void.
      婚姻已宣告无效了。
    用作名词(n.)
    1. The path must end with a null character.
      该路经必须以零结尾。
    2. Vomit in null gravity wouldn't be fun.
      如果在零重力下呕吐了可不是件好笑的事。
    3. A null reference pointer was passed to the stub.
      向占位程序传送了空的索引指针。
    4. Primary keys do not allow null values.
      主键不允许空值。

    权威例句

    Null Hypothesis Testing: Problems, Prevalence, and an Alternative
    Microsatellite null alleles and estimation of population differentiation.
    Estrogen receptor null mice: what have we learned and where will they lead us?
    The file drawer problem and tolerance for null results.
    Mice carrying null mutations of the genes encoding insulin-like growth factor I (Igf-1) and type 1 IGF receptor (Igf1r).
    Inference When a Nuisance Parameter Is Not Identified Under the Null Hypothesis
    Transforming growth factor beta 1 null mutation in mice causes excessive inflammatory response and early death.
    Erratum: Estrogen receptor null mice: What have we learned and where will they lead us? (Endocrine Reviews (June 1999))
    Testing the null hypothesis of stationarity against the alternative of a unit root ☆ : How sure are we that economic time series ha...
    Molecular heterogeneity of complement component C4-null and 21-hydroxylase genes in systemic lupus erythematosus
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