穿山甲的鳞片由非常薄的棱柱形结构单元和折叠单元组成。
The scales of the pangolin were composed of the very thin prismy construction units and the folded units.
每个元组代表一对股票代码和股价。
Each tuple represents a pair of stock tickers and stock prices.
其它有效性类应该列在该元组中。
pyRXP的元组树数据结构。
在使用元组时，务必牢记以下事实。
It's important to keep the following facts in mind when you're working with tuples.
这个元组后面的if条件是一个守卫。
比较不同长度的元组会产生编译时错误。
Comparing tuples of unequal lengths results in a compile-time error.
第一个使用元组的程序。
能够形成元组的元素数量目前仅限于10个。
The number of elements that can form a tuple is currently limited to 10.
元组要放在花括号中（参见清单13）。
该标识符是形如 {名称,版本}的元组。
元组是复合的数据类型，用于存储数据项的集合。
Tuples are a composite data type and are used to store collections of items.
一个电池通常由一组或多组电池元组成。
从RDF图中删除三元组。
return子句定义每个元组要返回的内容。
这设置了将要存储在缓存中的元组的最大可能大小。
This sets the maximum potential size of a tuple which we will store in the cache.
它提供前面提到的三元组的识别和解释方法。
It's how the triples that I mentioned earlier are identified and interpreted.
然后后续处理就是操作和查询存储中的三元组。
Subsequent processing then takes the form of manipulating and querying the triples in the store.
要从函数返回元组，您必须调用make_tuple。
To return a tuple from a function, you must invoke make_tuple.
随着您添加更多的元素，创建元组结构将变得越来越困难。
As you add more elements, creating a tuple structure becomes increasingly difficult.
清单3.使用make_tuple来从函数返回元组。
Listing 3. Using make_tuple to return tuples from functions.
RDF陈述是一个三元组(主题、属性、对象)。
RDF statements are made up of triples (subject, property, object).
默认情况下，我们将仅可能缓存少于150,000的元组。
By default, we will only cache tuples potentially smaller than 150,000.
请注意这只会影响数据缓存（元组存储）且没有元数据缓存。
Please note this only affects data cache (tuple storage) and not metadata cache.
可以创建具有临时元素的元组；清单3的输出为(40)。
It's possible to create a tuple with temporary elements; the output from Listing 3 is (4 0).
现在，剩下的就是存储四元组，而不是存储三元组。
例如，可以使用元组中的标签选择不同的操作(参见清单33)。
For example, tags in tuples can be used to select different operations (see Listing 33).
由于每个命题都有主语、谓词和宾语，也被称为三元组。
Because every statement has a subject, predicate, and object, it is also referred to as a triple.
输出是一个包含元组的文件，元组表示单词和它在输入中出现的次数。
This output is emitted as a file of tuples, representing the word and the number of times it appeared in the input.
子列表更为精巧：在列表中字符串可以与元组交错，表示混合的内容元素。
The child list is more subtle: Strings can be interleaved with tuples in the list, indicating a mixed content element.
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