(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
absolute angle of attack
absorber element
address transfer
Akhbari
all trunks-busy cyclic retest
appearer
Australian leech
Bazna
bimaximum
binary liquid
bodkin pt.
Boston cream pie
bought sold journal
brachyscelus crusculum
braynes
British Marine Equipment Council
broadcast traffic
business peak
caliper measure
capetian
chopped weft
chromosome fusion
civic pride
coal over gas
colour defect
conioscinella sauteri
Coomberdale
crank cotter pin
dallinger
danver
Dettenheim
Dhuwal
dialecticss
dimethylation
dipicrylamine
Dolgano -Nenetskiy Avtonomnyy Okrug
e-type thermocouple
edible crab
edit write command
electric corona test
electrically controlled air horn
embrittlement
final copy
flame detector
flange gland
four-lane
furnace (treated) black
genus maxostomas
guk
gymnnconitine
half weathering feldspar
harpoon
Hemofluid
holding of exchange asset
holozoic nutrition
Ihitsa
in-parts
Indus.
Itapipoca
jetsons
kinetic hormone
kinjo
laco
Lalique, Rene
lodo
log lock
machine breakdown
megera
merchant shipping code
minimam absolute temperature
mitotic index
nonresonance line
pendice
pezizaless
phase changer
phase-down
phenailvmal
physiological saline (solution)
pot furnace
processing power
radiation protective
Ratass
read punch unit
religiofascists
revaccination
rhizocaline
Ronchi ruling
roundabout trade
santees
signature on file date
single-acting engine
spontaneous fission neutron
sub judice
synchronized clock
technically strong market
templehome
thadd
Traumatociclina
Vateria
venine
William Burroughs
yttrium oxide (yttria)