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姗姗来迟的大雪,降落需要几步?
富含水蒸气的空气上升到高处,那里温度很低,水蒸气在空气中的灰尘、污染物、火山灰、海盐等固体小颗粒上,凝结成液滴,称为云滴(Cloud Droplet),云滴内部的小颗粒称为云凝结核(cloud condensation nuclei, CCN)。
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今日热点
Return to Earth
Agrees to limited ceasefire
Judge on USAID shutdown
On judicial impeachment call
Woman charged w/ murder
Reinstating fired workers
Earthquake shakes Bay Area
WH says US won't return
Removing privacy setting
Worker stole $1.6 million
Parents on missing daughter
Corruption trial begins
'Get Together' singer dies
'Sunrise on the Reaping'
Siemens to cut jobs
Texas measles cases rise
Free checked bag promotion
Fire danger continues for OK
Patient dies post-therapy
Morgan says he’s OK
Delta plane wing hits runway
Honduras plane crash
Tesla vehicles set on fire
US housing starts rebound
Lebanon-Syria ceasefire
Frozen meals recalled
DOGE gains access to USIP?
Drops gun violence advisory
Tapped as top bank cop
To open headquarters in TX
Halts care for trans veterans
Factory production rises
Retires after 15 seasons
OH trans care ban blocked
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