null
英 [nʌl]
美 [nʌl]
adj. 零值的; 等于零的
现在分词：nulling 过去分词：nulled 过去式：nulled 复数：nulls 第三人称单数：nulls
BNC.12712 / COCA.15008
习惯用语
adj.
- 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。
牛津词典
adj.
- 零值的；等于零的
having the value zero- a null result
毫无结果
- a null result
柯林斯词典
- PHRASE (协议、宣言或选举结果)无法律效力的，无效的
If an agreement, a declaration, or the result of an election isnull and void, it is not legally valid.- A spokeswoman said the agreement had been declared null and void...
女发言人称该协议已宣布无效。 - The declaration was null and void as it was proclaimed in completely illegal circumstances.
该声明无效，因为它是在完全非法的情况下宣布的。
- A spokeswoman said the agreement had been declared null and void...
英英释义
noun
- a quantity of no importance
- it looked like nothing I had ever seen before
- reduced to nil all the work we had done
- we racked up a pathetic goose egg
- it was all for naught
- I didn't hear zilch about it
adj
- lacking any legal or binding force
- null and void
双语例句
- The declaration was null and void as it was proclaimed in completely illegal circumstances.
该声明无效，因为它是在完全非法的情况下宣布的。 - We added the NOT NULL flag to indicate that the fields must not be null.
我们添加了NOTNULL标志来指示字段必须不能为空。 - If this is null, the semaphore cannot be inherited.
如果这个指针为空，那么这个信号量就不能被继承。 - Null value is not allowed in unique index or primary key.
唯一性索引或主键中不允许有空值。 - If this argument is null, then updatable cursors are used to modify the selected columns.
如果该参数为null，则使用可更新的游标来修改所选的列。 - That Oliver gave you are both null and void.
网址和密码，都已经无效了。 - Bernie: I told him I had null to do with this operation.
伯尼：我告诉过他了，我和这桩生意没关系。 - Data is Null. This method or property cannot be called on Null values.
数据为空。不能对空值调用此方法或属性。 - At least one element in the specified array was null.
指定数组中至少有一个元素为空。 - The self-calibration scheme can also be extended to null system offset and gain errors in the input channel.
自动校准方案也可以被扩展用来校准系统零点偏置和输入通道中的增益误差。