map function
英 [mæp ˈfʌŋkʃn]
美 [mæp ˈfʌŋkʃn]
网络 映射函数; 图距函数
双语例句
- The map function would be used where a new Array was to be created, leaving the original array contents untouched, which is actually the way most functional programmers would prefer to operate
创建一个新的Array时将用到map函数，保持原始的数组内容不变，实际上大多数函数性程序员都喜欢这种方式 - Averages, summations, and other summary types of data are not possible with just a map function.
平均值、合计和其他类型的汇总数据无法通过仅仅使用一个映射函数来实现。 - The mouse value is read, then mapped ( via the map function) into the range-PI to PI.
先读取鼠标值，然后映射（通过map函数）到旋转范围-PI至PI。 - When working with MapReduce, the map function's job is to pick some value to work off of, along with some key.
当使用MapReduce进行处理时，map函数的任务是选择一些要处理的值，以及一些键。 - This data needs to have the map function applied to it.
这些数据上需要应用map函数。 - Now Futon presents an interface that allows you to define both a map function and a reduce function.
现在，Futon接口可允许您定义map函数和reduce函数。 - The next line illustrates the use of the map function.
下一行说明map函数的使用。 - Once you have the photo XML objects in an array, you can call the map function on the array.
在照片XML对象处于数组内时，就可以对此数组调用map函数。 - To find all the tickets issued by Officer Ree, for example, you write a map function that filters the officer property accordingly.
举例来说，要查找OfficerRee开出的所有罚单，您可以编写一个map函数来过滤相应的officer属性。 - Like the Google framework MapReduce; MR describes a way of implementing parallelism using the Map function which splits a large data into multiple key-value pairs.
如Google框架MapReduce；MR描述了一种使用Map功能实现并行性的方法，它将大型数据分割成多个键-值对。 - Defining a map function is thus really just a matter of determining what you want to grab from an incoming line of text.
定义一个map函数实际上只是一个关于确定您从即将输入的文本行中捕获什么内容的问题。 - Using this with the map function, we get a sequence of integers, just as we wanted.
联合使用它与map函数，我们就能如愿地得到一个整数序列。 - The map function, originating in functional languages like Lisp but now common in many other languages, is an application of a function over a list of elements.
map函数，源于功能性语言（如Lisp）但如今在其他语言中也很常见，其中包含了一系列元素的函数的应用程序。 - Now that we have this sequence of sequences, we use the map function.
有了这个包含序列的序列之后，我们就可以使用map函数了。 - In many cases, you don't need the reduce function; the map function can handle most things for you.
在许多情况下，您都不需要reduce函数；map函数可以帮助您完成大多数任务。 - Views are essentially functions that you write ( in JavaScript) in the style of MapReduce; that is, you end up writing a map function and a reduce function.
从本质上说，视图是您采用MapReduce样式（在JavaScript中）编写的函数；也就是说，您最终只需要编写一个map函数和一个reduce函数。 - The view's map function takes the document as an argument and performs a series of computations to determine what data should be available via the view.
视图的map函数将文档作为一个参数，并执行一系列的计算来决定应该对哪些数据使用视图。 - In databases with thousands or hundreds of thousands of documents, running the map function over every document can be time-consuming.
在包含数万或数十万文档的数据库中，在每个文档上运行map函数非常耗费时间。 - The map function is designed to take a large data input and divide it into smaller pieces, which it then hands off to other processes that can do something with it.
map函数专用于获取大数据输入，并将其分成小片段，然后交由其他进程进行操作。 - The first, keys, is a list of keys that were created in the map function.
第一个参数是keys，这是在map函数中创建的键的列表。 - In the canonical model, a map function processes key-value pairs, resulting in an intermediate set of key-value pairs.
在规范模型中，map函数处理键值对，这将得出键值对的中间集。 - The Map class implements the map function, which goes through each line of the log file and gets the application's name.
Map类实现映射功能，它搜索日志文件的每一行，寻找应用程序的名称。 - The third argument, rereduce, has to do with whether or not this reduce function is operating on aggregate information or the raw results from the map ( the ones from the map function).
第三个参数是rereduce，这个参数必须处理这个reduce函数是在汇总信息上操作还是在来自映射的原始结果（来自map函数的结果）上操作。 - You could use a map function to return an array of these values in a currency format.
您可以使用一个映射函数以货币格式返回这些值的一个数组。 - The Map function emits each word plus an associated count of occurrences.
Map函数发出每个单词附有一个相关的出现次数计数。 - My map function is straightforward& it simply grabs the user_name property of all documents passed to it.
我的map函数是很简单的&它只获取传递给它的所有文档的username属性。 - Then it describes content from the aspects of the map function, form, Semantic symbols and content Scheduling.
接着从地图使用功能、表现形式、语义符号和内容编排等方面阐述了地图人性化设计的内涵； - The design and implement of electron map function in digital surveillance system
数码监控系统中电子地图功能的设计与实现 - A general method for generating a noise like key is proposed in this paper. Chaotic process of tent map function is used as a deterministic generator of noise like key and image storage and retrieval is completed in an algebraic form.
提出了类噪声索引（key）产生的一般方法，利用帐篷函数的混沌过程作为类噪声索引的确定性生成器，以代数的形式完成了图像信息的存储和恢复。 - This paper uses multi-group data set as the input to the algorithm to study Dirichlet process clustering algorithm. We get the conclusion that the overhead of the algorithm is concentrated in the map function through the running results analysis.
文中首先以多组数据集作为算法输入来研究Dirichlet过程聚类算法，通过对运行结果的分析，得出算法主要开销集中在map函数的处理这一结论。