The wye-prolonged delta connected balance transformer is a new 3-phase to 2-phase balance transformer, which has been used in electrified railway in China.

星形延边三角形接线平衡变压器是应用于我国电气化铁道的一种新型三相—两相平衡变压器。

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The Fly Delta app for iPad features a "Glass Bottom Jet, " through which customers will have the ability to view the ground below in a unique way that includes maps, social networks and internet content while connected to the Internet on any of Delta's more than 800 Wi-Fi-equipped aircraft.

ENGADGET: Delta introduces Fly Delta app for iPad, iOS 6 Passbook integration