English
全部
搜索
图片
视频
地图
资讯
Copilot
更多
购物
航班
旅游
笔记本
Top stories
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
过去 30 天
时间不限
过去 1 小时
过去 24 小时
过去 7 天
最新
最佳匹配
eeworld.com.cn
17 天
创新带动产业新风向,大普通信推首款全硅振荡器
时钟振荡器是电子产品的基本器件之一,是所有电子系统的心脏,是系统正常运行的根本,其主要作用是提供基准频率。 目前市面上最常见的时钟振荡器基于石英晶体制作而成,其以高稳定、低功耗、长寿命的特性被广泛使用,不过,石英晶振也存在着一定的 ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
今日热点
Backs vote to release files
Former NBA guard arrested
Protests in Mexico City
Trump issues new pardons
Boat capsizes near San Diego
Wins ATP Finals title
Sheep parade in Germany
Kris Boyd shot in NYC
Agree to contract extension
Pope hosts Hollywood stars
Luke Littler makes history
To invest $86B in South Korea
Reveals cancer diagnosis
Executed by firing squad
Blaze at Texas power plant
Trump on his MRI scan
Marburg outbreak in Ethiopia
US strike in Pacific kills 3
Mass rally in Manila
Popular YouTuber arrested
Todd Snider dies
Dana White bans Dillon Danis
Hall of Famer dies at 66
Alice Wong dies
Sign framework for peace
4 officers shot in Kansas
Sign US gas supply deal
Mass protest over fire trial
Pelicans fire head coach
Ecuadorian drug lord captured
Returns artifacts to Canada
反馈