From United’s mobile website, which is in beta, passengers also can check flight status, flight availabilty, itineraries and their Mileage Plus accounts.
在美联航的测试版手机网站上，乘客也可以查询航班状态、空余航班座位、行程以及乘客的Mileage Plus里程信息。
For A or B to happen, the probability amplitude is alpha plus beta.
如果让A或者B发生时，那么概率幅是alpha加上beta。
Has finished its public beta period and has launched two Premium subscriptions, Premium Basic and Premium Plus, while the free version is still available.
已经结束了其公开测试阶段，推出了PremiumBasic和PremiumPlus两种收费服务，而免费版本仍然可用。
Has finished its public beta period and has launched two Premium subscriptions, Premium Basic and Premium Plus, while the free version is still available.
已经结束了其公开测试阶段，推出了PremiumBasic和PremiumPlus两种收费服务，而免费版本仍然可用。
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