An airplane caught in turbulence moves both as a whole body and as a flexible structure, Pettit said: “It’s sort of mind-blowing, the number of ways an airplane can bend and twist.” To compensate for all that jouncing and twisting, the flight-control software uses the plane’s sensors to calculate the force and direction of the wind. Then it moves the flaps on the wings and tail to counteract the pressure. “Say the airplane is bending like a yardstick,” Pettit said. “The elevator”—the horizontal flap on the tail—“can move to oppose that. Or the rudder will stop it from moving side to side.” If the plane heaves up, the spoilers can press it back down. If it drops, the wing flaps can lift it up. If it starts to roll, the ailerons can right the ship.
从2023年至今，台积电的股价累计涨幅已超过3.5倍；2026年2月24日，台积电美股ADR大涨4.25%，市值一举突破2万亿美元，成为全球市值第六大的公司；而这距离台积电达成万亿美元市值里程碑仅过去了16个月。
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Мария Большакова (редактор отдела «Интернет и СМИ»)
28 февраля США и Израиль начали военную операцию против Ирана. Ее целью стали объекты командования КСИР, аэродромы, пункты запуска беспилотников и средства противовоздушной обороны.
一切伟大成就都是接续奋斗的结果，一切伟大事业都需要在继往开来中推进。