Yu Lei, the director of the show, said that it made national treasures come "alive".
该节目导演于磊说，这让国宝们“活了起来”。
Three attacks on Yu Gang et al's scheme to show that their forward secure proxy-signcryption scheme based on identity is insecure.
给出了三种攻击并指出于刚等人提出的前向安全的基于身份的代理签密方案是不安全的。
Observing the metaphorical mode of thinking in Yu Dafus works, their image features show feminine, mortal, sick and classic trends.
考察郁达夫作品中隐喻的思维方式，其意象特征呈现出明显的女性化倾向、死亡化倾向、病患化倾向、古典化倾向。
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