Examples of using Null value in English and their translations into Chinese
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It forms a separate type of its own which contains only the null value.
它构成了一个独立的类型，只包含null值：.If the message has a null value, then the value that will be stored is na.
如果该消息有一个空值,那么该值将被存储是na.In that case, leaving the field blank enters a null value, which means you don't know what the value is.
An interval that contains the null value will often also contain non-null values of high practical importance.
包含空值的区间通常还包含具有高实用重要性的非空值。Document 5 is returned even though it contains a null value.
Lt;1>文档5虽然包含了一个null值，仍被返回了。The difference between the two is that the of() method will throw a NullPointerException if you pass it a null value as an argument.
两个方法的不同之处在于如果你把null值作为参数传递进去，of()方法会抛出NullPointerException：.Each point in the 2D space should have at least the null value stored there.
D空间内的每一个点至少应当拥有存储在此处的null值。Otherwise, the shell interprets the trailing text as part of your variable name- and most likely returns a null value.
否则，Shell将把尾随文本解释为变量名称的一部分--并且很可能返回一个空值。None can be understood as 0 because 0 is meaningful and None is a special null value.
None不能理解为0，因为0是有意义的，而None是一个特殊的空值。Index- This field has no duplicate values, but can have a null value.
索引--该字段没有重复值，但可以有一个空值.It's now up to me to decide how I want to handle this potentially null value.
现在，由开发人员决定如果处理这种潜在的null值。Most of the modern languages like Ruby, Python or Java have a single null value( nil or null), which seems a… rainsoft.
现在的大多数语言，像Ruby,PythonorJava，他们有一个单独的空值（nil或null），这视乎才是一个合理的方式。The Nz function is useful for expressions that may include Null values.
Nz函数对于可能包括Null值的表达式很有用。The Nz function is useful for expressions that may include Null values.
Nz函数对可能包含Null值的表达式是很有用的。The NULL value can be surprising until you get used to it.
NULL值可能令人感到奇怪直到你习惯它。Null values as the word"Undefined.".
Null值显示为单词"未定义。NOT NULL Constraint: Ensures that a column cannot have NULL value.
NOTNULL约束:确保列不能有NULL值。As we had seen earlier, the Age feature has 177 null values.
正如我们前面看到的，Age特征有177个空值。NULL值是一个NULL值。Some of which cannot accept null values.
这些类型都不能接受null值。
