The daily deals phenomenon "is a rocket ship unlike anything we've probably seen in consumer shopping online," said Brad Wilson, a discounts expert and founder of BradsDeals.com.
优惠券现象“是一艘火箭飞船，与我们见过的在线购物模式都不相同。
This first rocket experiment to recreate the phenomenon launched from NASA's Wallops Flight Facility in Virginia.
NASA在Virginia的高速飞行机构(Wallops Flight Facility)实施了第一次火箭试验来再现这种现象。
During the ground test of solid rocket motors, after the reversal nozzles are opened, the shock wave enters the primary nozzle. This phenomenon makes tested data processing difficult.
带反喷管固体火箭发动机地面实验时，在其反向喷管打开后，激波进入主喷管情况下，会给数据处理带来困难。
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