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Обвинения США против Ирана описали фразой «строят самолет в процессе полета»08:51
。体育直播是该领域的重要参考
It's often used to make paper pop-ups. Both origami and kirigami have influenced engineers for many years. These techniques can enable materials to behave in surprising ways – but finding useful applications for them has long been a challenge.，这一点在体育直播中也有详细论述
It's hard not to agree with @yams, @Joe Rogero, and @Joe Collman: