tuple怎么读,tuple是什么意思,tuple中文翻译,tuple发音、用法及例句

•tuple

tuple发音

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tuple中文意思翻译

n. 元组;数组;重数

tuple常见例句

1 、tuple length───元组长度

2 、bits in a tuple and 2's are mapping.───在一个元组和2年代的一点点正在映射。

3 、The member of an attribute hierarchy in a tuple is also affected by relationships that are defined between attributes within a dimension.───元组中属性层次结构的成员还受维度中定义的属性之间的关系影响。

4 、The for statement is used to iterate over the elements of a sequence (such as a string, tuple or list) or other iterable object───for语句用于迭代有序类型或其它可迭代对象的元素(像串,元组或列表)

5 、Listed in the tuple should be two or more other validity classes; as with───列在元组中的应该是两个或更多其它有效性类;与

6 、Drillthrough is not supported for cell sets that have more than one tuple───对于具有多个元组的单元集,钻取不受支持

7 、However, the cell must be aggregated with the Sum aggregate function and must not include a calculated member in the tuple that is used to identify the cell.───但是,该单元必须用Sum聚合函数进行聚合,并且在用于标识该单元的元组中不得包含计算成员。

8 、Tuple drilldown is an extension of OLE DB, and it returns a set of tuples instead of members.───对元组的深化是一种OLE DB扩展,这种深化将返回元组集而非成员集。

9 、Tuple ID propagation───ID传播

10 、*Horizontal is the best in the case that - More selections than projections and joins, and performs more tuple modifications or tuple deletions than tuple insertions.───从一个关系中选择一个元组:查找索引表,返回元组的逻辑地址;将逻辑地址转换为物理地址;读出元组中的每个属性。

11 、pre]group() can be passed multiple group numbers at atime, in which case it will return a tuple containing the correspondingvalues for those groups.───可以一次输入多个组号,在这种情况下它将返回一个包含那些组所对应值的元组。

12 、The second element of the tuple, called the Section, is a user-defined string which names the general category of the Access Object.───元组的第二个元素叫节,它是由用户定义的命名权限对象通用类的字符串。

13 、A single expression without a trailing comma doesn't create a tuple, but rather yields the value of that expression. (To create an empty tuple, use an empty pair of parentheses: ().───在其它情况下,它是可选的.一个没有后缀逗号的表达式不会创建元组,但仍会计算该表达式的值.(可以使用一对空括号()创建一个空元组).

14 、4 Bytes: pointer on page to tuple───两个整数字段,每个4字节

15 、tuple clustering───元组群集

16 、If a set expression is specified, MDX will try to evaluate the set, aggregating the result cells in every tuple along the set.───如果指定了集表达式,则MDX通过将结果单元聚合到集的每个元组中,尝试对该集求值。

17 、two - tuple───二元语义

18 、tuple calculus───元组演算, 元组运算

19 、The function returns a set that consists of each tuple in the specified set where the logical expression evaluates to true.───如果逻辑表达式计算结果为true,该函数将返回由指定集中的每个元组构成的集。

20 、The Item function returns a tuple from the specified set.───Item函数返回指定集中的元组。

21 、Research and Application of Tuple Space-based Distributed Computing Environment───基于元组空间模型的分布式计算环境的研究与应用

22 、The StrToTuple function is typically used with user-defined functions to return a tuple specification from an external function back to an MDX statement.───StrToTuple函数通常与用户定义函数一起使用,以将外部函数中的元组规范返回到MDX语句。

23 、tree tuple───不完全树元组

24 、Tuple spaces───Tuple空间

25 、tuple structured data───元组结构数据

26 、tuple calculus language───元组演算语言

27 、TID n. (tuple identifier)───元组标识符

28 、tuple set───元组集合

29 、The tuple "(Access Object type, Section, Value)" uniquely identifies any Access Object.───它是用元组(权限对象类型,节,值)的形式来唯一标识权限对象的。

30 、Returns the one-based rank of a tuple in a set.───以一为基返回元组在集合中的阶。

31 、SQL based random algorithm to abstract tuple set───一种基于SQL的元组集随机抽取算法

32 、tuple space search───元组空间搜索

33 、tuple space───元组空间

34 、Tuple space based grid workflow scheduling mechanism───基于元组空间的网格工作流调度机制

35 、When you explicitly specify a member in a tuple from more than one dimension, you must include the entire tuple in parentheses.───从多个维度显式指定元组中的成员时,必须将整个元组包含在括号中。

36 、5.A list can be changed after it is constructed (we say that it is mutable), whereas a tuple cannot be changed (immutable).───一个列表创建之后可以被改变(我们说它是不定的),然而一个元组不能被改变(固定的)。

37 、In effect, the Filter function executes IIf(Logical_Expression, Set_Expression.Current, NULL) on each tuple in the set, and returns the resulting set.───实际上,Filter函数是对集中的每个元组执行IIf(Logical_Expression,Set_Expression.Current,NULL),然后返回所得到的集。

38 、- A delete does not actually remove the tuple but only sets its stop_date to current time.───+ 一个删除动作实际上并不删除元组,只是把它的 stop_date 设置为当前时间。

39 、A Detection Algorithm for Rule Set Conflicts Based on Tuple Space Search───基于元组空间搜索的规则集冲突检测算法

40 、they may be input with or without surrounding parentheses, although often parentheses are necessary anyway (if the tuple is part of a larger expression).───在输入时可能有或没有括号都可以,不过经常括号都是必须的(如果元组是一个更大的表达式的一部分)。

41 、Decentralized tuple space───分散式元组空间

42 、concatenated tuple───串接元组

43 、numerical tuple───n. 数组

44 、labeled array tuple───带标号数组多元组

45 、When defining a tuple in an MDX query or expression, you do not need to explicitly include the attribute member from every attribute hierarchy.───在MDX查询或表达式中定义元组时,不必显式包含每个属性层次结构中的属性成员。

46 、Group() can be passed multiple group numbers at a time, in which case it will return a tuple containing the corresponding values for those groups.───group()可以一次输入多个组号,在这种情况下它将返回一个包含那些组所对应值的元组。

47 、The cell specified by the tuple expression can be any valid cell in the multidimensional space (that is, the cell does not have to be a leaf cell).───元组表达式指定的单元可以是多维空间中的任意有效单元(即该单元不一定是叶单元)。

48 、The third element of the tuple is a user-defined name for the Access Object, and is called the Value. A Value cannot contain spaces (however, a Section can).───元组的第三个元素叫值,是用户定义的权限对象名称,值中不能包含空格(而节可以)。

49 、A sequence like this will often be written either in square brackets [1, 2, 3, 4] (called a list) or in parentheses (1, 2, 3, 4) (a tuple).───像这样的序列常常被放在中括号里[1,2,3,4](叫做一个列表)或者在圆括号里(1,2,3,4)(一个元组)。

50 、- :pgstattuple judges a tuple is "dead" if HeapTupleSatisfiesNow returns false.───+ :如果 HeapTupleSatisfiesNow 返回假,则 pgstattuple 判断一个元组是“死”的。

51 、The tuple (object_id) is the key of the relation.───元组(object_id)是关系键。

52 、If a full set of coordinates is not specified for the tuple, the unspecified coordinates will use the default member of the hierarchy.───如果未为元组指定所有坐标,未指定的坐标将使用层次结构的默认成员。

53 、In practical applications,there is a class of relations in which the value of a tuple at an attribute is a relation.───在实际应用中有这样一类关系数据库,其中数据项在某个属性上的取值本身又是一个关系。

54 、tuple function───元组函数

55 、Packet classification algorithm in big rule database based on tuple folded vector───基于元组向量折叠的大规模规则库包分类算法

56 、dynamic numeric tuple───动态数组

57 、labeled structure tuple───带标号结构多元组

58 、Returns the one-based rank of a specified tuple in a specified set.───以一为基返回指定的元组在指定集合中的阶。

59 、unique tuple───单元组

60 、dynamic tuple model───动态元组模型

61 、n-prime tuple───n素元组

62 、An expression list containing at least one comma yields a tuple.The length of the tuple is the number of expressions in the list.The expressions are evaluated from left to right.───一个表达式表是一个包括至少一个逗号的元组,它的长是表中表达式的个数.其中表达式从左到右按顺序计算.

63 、tuple random placement───元组随机替换

64 、tuple relational calculus───元组关系演算

65 、Teaching reform of introduction to using quantification and realization of implication in the mathematical calculations performed tuple relationship and SQL───关系演算和SQL中使用量词和实现蕴涵的教学方法探讨

66 、The third element of the tuple is a user-defined name for the Access Object, and is called the Value . A Value cannot contain spaces (however, a Section can).───元组的第三个元素叫值,是用户定义的权限对象名称,值中不能包含空格(而节可以)。

67 、If one is found, a ForbiddenTags error is raised attaching the faulty value and the tuple of forbidden tags to the exception.───如果一个被发现,一个禁止标记错误异常将会连着失败值和禁止标记的元组一起被引发。

68 、* Line 10-12: sizeForString() must return a tuple with the first element being a unit and the second the value.───第10-12行:sizeForString() 必须以第一个元素是单位(unit)和第二个是值(value)返回一个元组。

69 、finite tuple───n. 有限元组

70 、Tuple as a class attribute.───元组作为类属性。

71 、Tuples, like strings, are immutable: it is not possible to assign to the individual items of a tuple (you can simulate much of the same effect with slicing and concatenation, though).───元组就像字符串,不可改变:不能给元组的一个独立的元素赋值(尽管你可以通过联接和切片来模仿)。

72 、- For a modifiable row, on update only the stop_date in the tuple being updated will be changed (to current time) and a new tuple with the modified data will be inserted.───+ 对于可修改的行,只是在更新的时候,被更新的元组中的 stop_date 会改变(为当前时间)然后会**入一个新的带着修改后的数据的元组。

73 、tuple variable───元组变量

74 、A tuple consists of a number of values separated by commas, for instance───一个元组由数个逗号分隔的值组成,例如

75 、The Analysis and Implementation of Tuple Space Based Agent Coordination───基于元组空间的Agent协作模型的分析与实现

76 、In the slicer axis syntax shown, Set_Expression can take either a tuple expression, which is treated as a set for the purposes of evaluating the clause, or a set expression.───在所示的切片器轴语法中,可以向Set_Expression传递元组表达式(被视为集以便对子句求值)或集表达式。

77 、tuple value───元组值

78 、n tuple───n元组n组

79 、The Filter function evaluates the specified logical expression against each tuple in the specified set.───Filter函数对指定集中的每个元组计算指定的逻辑表达式。

80 、conjunction tuple sets───关联元组集合

Python中list,tuple,dict,set的区别和用法

1、list、tuple是有序列表;dict、set是无序列表

2、list元素可变、tuple元素不可变

3、dict和set的key值不可变,唯一性

4、set只有key没有value

5、set的用途:去重、并集、交集等

6、list、tuple:+、*、索引、切片、检查成员等

7、dict查询效率高,但是消耗内存多;list、tuple查询效率低、但是消耗内存少

Python中list,tuple,dict,set的区别和用法

字面意思就是一个集合,在Python中List中的元素用中括号[]来表示,可以这样定义一个List:

L = [12, 'China', 19.998]

可以看到并不要求元素的类型都是一样的。当然也可以定义一个空的List: