English
全部
搜索
图片
视频
地图
资讯
更多
购物
航班
旅游
笔记本
Top stories
冬季运动会
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
过去 24 小时
时间不限
过去 1 小时
过去 7 天
过去 30 天
最佳匹配
最新
腾讯网
19 小时
人类首次!5千米高空隔空输电,他们计划从太空发电送回地球
近年来卫星技术、太阳能电池和无线传输技术的进步,让这一设想越来越可能实现了。科学家的设想是,将巨型卫星发射到太空,通常是距离地面3.6万千米的地球静止轨道(GEO)上。在这里,卫星相对于地面保持静止,并且一年中99%的时间都能被阳光照射。卫星上安装的 ...
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
Launches new campaign
Apologizes to Epstein victims
To receive Medal of Honor
Man threatening ICE charged
DOJ removes ICE lawyer
Fatal car crash in LA
US strikes alleged drug boat
Today in history: 1952
Bad Bunny on Super Bowl
Stafford wins AP NFL MVP
Trump endorses Takaichi
Unveils TrumpRx website
Cuba willing to talk to US
Uber to pay $8.5M in trial
Search enters 5th day
Names new creative director
AZ helicopter crash kills 2
To resume military talks
Nationwide recall expanded
TX anti-ESG law blocked
JD Vance arrives in Milan
Advances amnesty bill
Abandon merger talks
Exits LA mayor race
US job openings fall
Famine spreads in Sudan
Recalls 450K+ vehicles
NYC joins UN health network
Jimmy Lai to be sentenced
Rejects DOJ interview request
反馈