英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:

LED    音标拼音: [l'ɛd]
vbl. lead的过去式和过去分词

lead的过去式和过去分词

led
发光二极体

led
发光二极体

LED
n 1: diode such that light emitted at a p-n junction is
proportional to the bias current; color depends on the
material used [synonym: {light-emitting diode}, {LED}]

Lead \Lead\ (l[=e]d), v. t. [imp. & p. p. {Led} (l[e^]d); p. pr.
& vb. n. {Leading}.] [OE. leden, AS. l[=ae]dan (akin to OS.
l[=e]dian, D. leiden, G. leiten, Icel. le[imac][eth]a, Sw.
leda, Dan. lede), properly a causative fr. AS. li[eth]an to
go; akin to OHG. l[imac]dan, Icel. l[imac][eth]a, Goth.
lei[thorn]an (in comp.). Cf. {Lode}, {Loath}.]
1. To guide or conduct with the hand, or by means of some
physical contact or connection; as, a father leads a
child; a jockey leads a horse with a halter; a dog leads a
blind man.
[1913 Webster]

If a blind man lead a blind man, both fall down in
the ditch. --Wyclif
(Matt. xv.
14.)
[1913 Webster]

They thrust him out of the city, and led him unto
the brow of the hill. --Luke iv. 29.
[1913 Webster]

In thy right hand lead with thee
The mountain nymph, sweet Liberty. --Milton.
[1913 Webster]

2. To guide or conduct in a certain course, or to a certain
place or end, by making the way known; to show the way,
esp. by going with or going in advance of. Hence,
figuratively: To direct; to counsel; to instruct; as, to
lead a traveler; to lead a pupil.
[1913 Webster]

The Lord went before them by day in a pillar of a
cloud, to lead them the way. --Ex. xiii.
21.
[1913 Webster]

He leadeth me beside the still waters. --Ps. xxiii.
2.
[1913 Webster]

This thought might lead me through the world's vain
mask.
Content, though blind, had I no better guide.
--Milton.
[1913 Webster]

3. To conduct or direct with authority; to have direction or
charge of; as, to lead an army, an exploring party, or a
search; to lead a political party.
[1913 Webster]

Christ took not upon him flesh and blood that he
might conquer and rule nations, lead armies, or
possess places. --South.
[1913 Webster]

4. To go or to be in advance of; to precede; hence, to be
foremost or chief among; as, the big sloop led the fleet
of yachts; the Guards led the attack; Demosthenes leads
the orators of all ages.
[1913 Webster]

As Hesperus, that leads the sun his way. --Fairfax.
[1913 Webster]

And lo ! Ben Adhem's name led all the rest. --Leigh
Hunt.
[1913 Webster]

5. To draw or direct by influence, whether good or bad; to
prevail on; to induce; to entice; to allure; as, to lead
one to espouse a righteous cause.
[1913 Webster]

He was driven by the necessities of the times, more
than led by his own disposition, to any rigor of
actions. --Eikon
Basilike.
[1913 Webster]

Silly women, laden with sins, led away by divers
lusts. --2 Tim. iii.
6 (Rev. Ver.).
[1913 Webster]

6. To guide or conduct one's self in, through, or along (a
certain course); hence, to proceed in the way of; to
follow the path or course of; to pass; to spend. Also, to
cause (one) to proceed or follow in (a certain course).
[1913 Webster]

That we may lead a quiet and peaceable life. --1
Tim. ii. 2.
[1913 Webster]

Nor thou with shadowed hint confuse
A life that leads melodious days. --Tennyson.
[1913 Webster]

You remember . . . the life he used to lead his wife
and daughter. --Dickens.
[1913 Webster]

7. (Cards & Dominoes) To begin a game, round, or trick, with;
as, to lead trumps; the double five was led.
[1913 Webster]

{To lead astray}, to guide in a wrong way, or into error; to
seduce from truth or rectitude.

{To lead captive}, to carry or bring into captivity.

{To lead the way}, to show the way by going in front; to act
as guide. --Goldsmith.
[1913 Webster]


Led \Led\ (l[e^]d), imp. & p. p.
of {Lead}.
[1913 Webster]

{Led captain}. An obsequious follower or attendant. [Obs.]
--Swift.

{Led horse}, a sumpter horse, or a spare horse, that is led
along.
[1913 Webster] Leden



安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • 发光二极管_百度百科
    发光二极管,简称为LED,是一种常用的发光器件,通过电子与空穴复合释放能量发光,它在照明领域应用广泛。 发光二极管可高效地将电能转化为光能,在现代社会具有广泛的用途,如照明、平板显示、医疗器件等。
  • 发光二极管 - 维基百科,自由的百科全书
    LED与没有 极性 的 白炽灯 不同,只能在正向电流流过时才能发光,当接上正向电压时会有较大的电流流过,称之为 正向偏置。 若接上反向电压,电流会相当细(微安—μA级),称为 反向偏置,并且不发光。
  • 什么是LED - 知乎
    LED简介 一、发光二极管 (Light-Emitting Diode, LED) 是一种能发光的半导体电子元件。 发光二极管(LED)于20世纪60年代问世。 在20世纪80年代之前,LED主要作为指示灯使用,从其光色来看,只有红光、橙光、黄光和绿…
  • LED 是什麼,又是如何發光的?跟傳統燈泡有何不同?5 分鐘輕鬆搞懂 LED 原理、運用和類型 - 良品工研所
    LED 的英文全名是 Light-emitting diode,也就是發光二極體。 LED 說穿了其實是一種半導體,由三價與五價元素所組成,並會在電流通過時發光。 LED 因為耗電低,體積小、壽命長、耐撞擊等優點而取代了傳統的電燈。 目前市面上的燈具已幾乎全數改為 LED 款式。
  • LED | Definition, Light, Facts | Britannica
    An LED (light-emitting diode) is a semiconductor device that emits infrared or visible light when charged with an electric current
  • LED的工作原理、分类及应用电路 - LEDs - 电子发烧友网
    LED的工作原理、分类及应用电路-发光二极管(Light Emitting Diode)简称LED,是一种将电信号转化为光信号的半导体器件,且具备二极管的电子特性。
  • 发光二极管 (LED) 综合指南 - LEDYi Lighting
    这些都是使 LED 成为传统白炽灯泡和荧光灯管的合适替代品的事实。 它可以从点亮我们智能手机的微型 LED 到让我们在时代广场眼花缭乱的巨大 LED 屏幕。 这份综合指南将探索您需要了解的有关 LED 的一切信息。 您将了解它们的历史、工作原理、应用和优势。
  • Light Emitting Diode (LED): Principle, Advantages, and Uses
    A light-emitting diode (LED) is a small electronic device that emits light when an electric current flows through it LED works by passing electricity through a semiconductor, which releases energy in the form of light
  • Light Emitting Diode (LED): What is it How Does it Work?
    Light Emitting Diode (LED): What is it How Does it Work? LED Definition: A Light Emitting Diode (LED) is a semiconductor device that emits light when electric current flows through it
  • 什么是LED?| 电子小知识 | 罗姆半导体集体 - ROHM Semiconductor
    LED是一种被称为“发光二极管”的半导体,是“Light Emitting Diode”的首字母缩写。 波长标准有峰值波长和主波长两种,主波长相当于实际人眼看到的颜色。 白色光是如何获得的? 使LED发白光的方法有几种。 在这里将介绍具有代表性的发光方法。 7段LED是一种按数字形状排列LED(段码)的专门用于显示数字的数字显示模块。 解释LED常用术语。 介绍使用LED时需要注意的特性。 电子小知识:介绍什么是LED以及一些LED的小知识。





中文字典-英文字典  2005-2009