网站首页  英汉词典

请输入您要查询的英文单词:

 

单词 lookup
释义

lookup /'lʊkʌp/

英汉-汉英词典
n. 查找;检查
词组 | 习惯用语
您要查找的是不是:
  • lockup n. 锁住;拘留所,监狱;监禁
  • hookup n. 接线图;连接;联播
  • skullcap n. 并头草属的植物;无边便帽
  • logotype n. 连合活字;标识;商标
lookup service 发现服务; 查找服务;
forward lookup 正向查找; 正向搜索;
reverse lookup 反向搜索
lookup table [计] 查找表
table lookup [计] 查表;表格查找

网络短语:
Minimize DNS lookups 减少DNS查询次数
Lookup vector Lookup 向量
reverse phone call lookup on 小时候的中秋节
lookup services 查询服务; 查找服务;
dimidiate lookup 二分查找
ip lookups 路由查找
lookup combobox 组合框
LOOKUP TABLES 查询表;查找表;表查询;查表函数模块子库
原声例句
厨娘娜塔莎

Just serve it with the spoon from the lookup and other ways to get violent.

只需用勺子从里面挖出来,不必太用力。

中级英语短文

There was a 1,048% increase in site lookups this year compared to 2019.

2021 年“疫苗”一词的查询量比 2019 年增加了 1048%。

中级英语短文

The word was selected based on lookup data, notable spikes, and year-over-year increases in searches.

该词是基于查询数据、访问量峰值和同比搜索增加量选出的。

科技 Crash Course

Like we discussed last episode, when you request a site, the first thing your computer does is a DNS lookup.

就像我们上一集讨论的那样,当您请求一个站点时,您的计算机所做的第一件事就是进行 DNS 查找

科技 Crash Course

It also takes time for RAM itself to lookup the address, retrieve the data, and configure itself for output.

RAM 本身也需要时间来查找地址、检索数据以及配置自身以进行输出。

中级英语短文

On the site, lookups for " vaccine" shot up 601% over 2020, especially toward the latter part of the year when the first US shot was administered in December.

《韦氏词典》网站上“疫苗”一词的查询量在 2020 年飙升了 601%,下半年搜索量更高,尤其是去年 12 月美国接种第一剂疫苗之时。

科技 Crash Course

When you type something like " youtube.com" into your web browser, it goes and asks a DNS server – usually one provided by your ISP – to lookup the address.

当您在网络浏览器中输入类似“ youtube.com”的内容时,它会要求DNS服务器(通常由ISP提供)查找地址。

科技 Crash Course

This completed Z-buffer is used in conjunction with a fancier version of scanline rendering that not only tests for line intersection, but also does a lookup to see if that pixel will even be visible in the final scene.

这个完整的 Z 缓冲区与更高级版本的扫描线渲染结合使用,它不仅测试线相交,而且还进行查找以查看该像素在最终场景中是否可见。

中文百科

查找表 Lookup table

(重定向自Lookup)

在计算机科学中,查找表是用简单的查询操作替换运行时计算的数组或者关联数组这样的数据结构。由于从内存中提取数值经常要比复杂的计算速度快很多,所以这样得到的速度提升是很显着的。

一个经典的例子就是三角函数表。每次计算所需的正弦值在一些应用中可能会慢得无法忍受,为了避免这种情况,应用进程可以在刚开始的一段时间计算一定数量的角度的正弦值,譬如计算每个整数角度的正弦值,在后面的进程需要正弦值的时候,使用查找表从内存中提取临近角度的正弦值而不是使用数学公式进行计算。

在计算机出现之前,人们使用类似的表格来加快手工计算的速度。非常流行的表格有三角、对数、统计density函数。另外一种用来加快手工计算的工具是计算尺。

英语百科

Lookup table 查找表

(重定向自Lookup)
Part of a 20th-century table of common logarithms in the reference book Abramowitz and Stegun.
Linear interpolation on a portion of the sine function

In computer science, a lookup table is an array that replaces runtime computation with a simpler array indexing operation. The savings in terms of processing time can be significant, since retrieving a value from memory is often faster than undergoing an 'expensive' computation or input/output operation. The tables may be precalculated and stored in static program storage, calculated (or "pre-fetched") as part of a program's initialization phase (memoization), or even stored in hardware in application-specific platforms. Lookup tables are also used extensively to validate input values by matching against a list of valid (or invalid) items in an array and, in some programming languages, may include pointer functions (or offsets to labels) to process the matching input.

近义、反义、联想词
近义词
n.
operation

联想词
query疑问,质问;dialing拨号,主叫;database数据库,资料库;search搜寻;DNS域名服务器;hash剁碎的食物;indexing标引;recursive回归的,递归的;identifier标识符;initialization设定初值,初始化;
英英词典
lookup n.
  1. an operation that determines whether one or more of a set of items has a specified property
    • they wrote a program to do a table lookup

    synonymous: search
随便看

 

英汉网英语在线翻译词典收录了3779314条英语词汇在线翻译词条,基本涵盖了全部常用英语词汇的中英文双语翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2024 encnc.com All Rights Reserved
更新时间:2025/6/20 3:55:03