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来自MSN
13 小时
GPS卫星为何会用相对论去修正时间?但最常见的解释却是错误的
各位小伙伴们,你们好呀!是不是对GPS时间和相对论的关系感到好奇呢?今天就来跟大家唠唠这个事儿! 很多科普文章都说GPS时间修正需要考虑狭义和广义相对论两个方面:卫星高速运动对应狭义相对论,卫星和地面高度差对应广义相对论。
5 天
on MSN
How does Google track your location without GPS and how to stop it
Google tracks location through various methods even without GPS, such as Wi-Fi positioning, cell tower triangulation, ...
3 天
GPS junior and senior track and field junior and senior championships
Ipswich Grammar School claimed a thrilling GPS track and field junior championship by just four points today at QSAC.
Scientific American
5 天
How GPS Tracking of Teens 24/7 Impacts Parent-Child Relationships
which use GPS, as well as the location of nearby Wi-Fi networks and cellular towers, to track and keep their children safe, says Sophia Choukas-Bradley, an associate professor of psychology at the ...
CNET on MSN
6 天
Experts Warn Against Using AirTags to Track Your Pets, Here's Why
There's also another reason experts caution against them: their tracking limitations.
4 小时
Garmin Fenix 8 Series GPS smartwatch launched in India
Garmin has launched its Fenix 8 series of premium multisport GPS smartwatches in India, catering to athletes and adventure ...
1 天
Man Arrested for Stalking and Assaulting Ex-Wife with GPS Tracking Device
They have been separated for about six months, but he can't move on. He doesn't want his ex-wife to have a new life; just the ...
8 天
on MSN
Video: Mass. State Police See Suspect-Tracking Results with StarChase
As of this minute, 30 Massachusetts State Police cruisers have been outfitted with the GPS projectile gadget, and the agency ...
12 天
Plan to track Westmoreland County-owned vehicles with GPS on hold because of sheriff's lawsuit
Westmoreland County Sheriff’s Office vehicles won’t be tracked by GPS until a lawsuit challenging a policy requiring the ...
2 天
Budget Apple Watch alternative will take calls and track your fitness for a cheaper price
If you have been looking for a cheap Apple Watch alternative, this CMF by Nothing Watch might be a great pick-up ...
1 天
New registration fast-track aims to ease shortage of medical professionals
The Medical Council's introducing faster registrations for doctors with specialist qualifications from the UK, Ireland, and ...
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