Nasa was targeting March for the launch, but its plans were delayed after a helium leak was discovered on the Space Launch System (SLS) rocket.
If you're an early adopter looking to try out AR glasses, it's hard to argue with the $299 price tag. For reference, Xreal recently launched a more affordable version of its glasses called the Xreal 1S, priced at $449.
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希望对新手爸妈有一些参考作用，尤其是北京的宝爸宝妈。
Ранее были перечислены главные модные моменты прошедшей Олимпиады.