| 释义 |
- adj.没有价值的；无用的；【法】无法律效力的；【科技】没有
- n.【数】数字零；【计】空位；空白符号；【电子】无信号
- v.抵消；〈罕〉【法】宣布无效；〈罕〉彻底消灭
- 网络空值；空字符；空指针
复数：nulls 过去式：nulled 现在分词：nulling adj. invalid,null and void,void,unacceptable,unsound 1. | 零值的；等于零的having the value zero |
IDM | The contract was declared null and void. 合同被宣布无效。 |
null and void 无法律效力的；无效的having no legal force; not valid | The contract was declared null and void. 合同被宣布无效。 |
adj. | 1. with no value or effect 2. [Law]of no legal or binding force 3. [Sci-Tech]amounting to nothing 4. [Mathematics]having or associated with the value zero 5. [Logic,Mathematics]of a class or set: having no members 6. lacking distinctive qualities, traits, or characteristics 1. with no value or effect 2. [Law]of no legal or binding force 3. [Sci-Tech]amounting to nothing 4. [Mathematics]having or associated with the value zero 5. [Logic,Mathematics]of a class or set: having no members 6. lacking distinctive qualities, traits, or characteristics | n. | 2. [Computer]a character which produces no effect or action but is used to fill up a space or to separate pieces of information 3. [Electronics]a condition of no signal 4. <figurative>a state of emptiness, featurelessnes 2. [Computer]a character which produces no effect or action but is used to fill up a space or to separate pieces of information 3. [Electronics]a condition of no signal 4. <figurative>a state of emptiness, featurelessnes | v. | 1. to cancel out or remove (a force, effect, signal, etc) 2. [Law]<rare>to annul or cancel 3. <rare>to destroy or efface completely |
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