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
时间不限
过去 1 小时
过去 24 小时
过去 7 天
过去 30 天
最佳匹配
最新
生物通
6月
喜马拉雅地区钟花杜鹃(Rhododendron campanulatum D.Don)木质解剖标记揭示 ...
全球变暖背景下,喜马拉雅高海拔生态系统蚜虫分布扩张机制尚不明确。本研究通过Rhododendron campanulatum D.Don树轮解剖学分析,首次系统追踪3100-3400 m海拔蚜虫侵染痕迹,发现幼树(≤22年)更易受害,揭示宿主年龄而非海拔或温度是主导因素,为高山生态保护提供新 ...
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
Father dies in house fire
Becomes a billionaire
Melanie Watson dies at 57
Transcript to be released
Colorado names new AD
Suspended for fight
Warns Iran on nuclear program
Officials continue search
Drops Senate bid in VA
Fire at retirement home
Patriots win AFC East
'Avatar' tops box office
Iraq elects new speaker
NJ crash victims identified
Hamas: Spokesman killed
DC bomb suspect confessed
Ground beef recalled
ISIS shootout in Turkey
Officials suspect bird flu
Former Bangladeshi PM dies
Kyrgios beats Sabalenka
Founder launches proxy fight
US offers security guarantee
Central bank chief resigns
Meet at Mar-a-Lago
RU reopens Mariupol theater
Injured in car crash
Blizzard conditions in Midwest
Judge dismisses indictment
To return as Chiefs coach?
To buy data center firm
WH on Trump-Putin call
Ties Clippers record
反馈