(null 的第三人称 -s形式) a. 无效力的, 无效的, 无价值的
n. 零, 空, 零位
[计] 空
-s form of null
s. lacking any legal or binding force

null的用法和样例:

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。

词汇搭配

  • null set零集(空集)
  • null and void[法律]无效
  • null sequence零序列
  • null device空设备
  • null detector零值检波器,消尽指示...
  • null representation空白表示法,零表示...
  • null operator零算子
  • null class零类
  • null field空符号组,空字段...
  • null character零字符,空白记号...
  • null reference[计] 空引用, 空...
  • electrical null电零点
  • null setting调零装置
  • null detection零值指示,检零,零值...
  • null cell零位细胞
  • null method零位法,零点法,衡消...
  • null instrument平衡点测定器...
  • null indicator零位指示器
  • null adjustment零位调整,零核准装置...
  • null string空字符串

经典引文

  • Its influence on that element was absolutely null.

    出自:J. Pinkerton
【近义词】
学英语单词
aals
adjustable counter balance
aedes (stegomyia) annandalei
aeipathia
asterium
base earth
beet price
Bennett,Richard Bedford B.
break of the emulsion
brefonalol
bubbler system
buckstay spacer
bunker A oil
capital share of national income
cement setting
center of spherical curvature
chorismate
cold-core low
colir comparator pyrometer
coniglobus nux paiwanis
conservatory measure in relation to recourse
control rod sequence
coronata
cultural preference
debreak
defuze
degradosomes
design on
dromic
DYSTSOTT
engine thermostat housing drain valve
executant
food-plants
forced-ventilated motor
genus Fossa
genus nasturtiums
geostationary satellite
goatish
Grotian
gSign
hazmat suit
hoist bucket
imposant
ineffectualized
intermittent wheel
Janus kinases
logistic system
macro language instruction
magnetizing assembly
median harelip
microporus plastic shect
multiple solution
new wavers
nickel chromium thin film
ninjo
nonbeliefs
nose tests
Nylaglas
oicator
organizational-level health problem
Oriental sardine
parameter adaptive self-organizing control
Pareiasauridae
pawl plate
pergelation
perianal pruritus
persuasively
Pestrechinskiy Rayon
pfi
pileworts
post a reward
poweractuated
radioactive deposit mining
ranas
rider keel
riverbed type water intake
rooflike
Ryotsu
semi-nomadism
servohydraulic actuator
set ... loose
signal level fluctuation
skate sailing
sparging system
Sue Ryder
Swapoff
tagua
tax accrual trust account
Terotosperm
tfes
thalamencephal
throw dust into someone's eyes
Thóroddsstadhur
trench pit
trey
upward deviation
urban utility tunnel
verochka
water-jet air ejector
wet twisting
Wyre Forest
Zlarin