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1·Based on cyclic diagonal codes, an improved design of unitary space-time codes (USTC) at low SNR is proposed.

在低信噪比情况下，提出了一种基于循环对角码的改进的酉空时码设计。

2·In 2000, Beijing authority invites and receives USTC Alumni Delegation who comes to study and exchange with Beijing counterparts.

2000年，北京市邀请并接待“在美科大校友会”代表团来京考察交流。

3·Analysis was made for smoke filling process in large space building, and some full scale pool fire tests for comparison were made in USTC large space experimental hall.

分析了烟气在大空间建筑内的充填情况，得到不同火源下的烟气填充计算模型，并在大空间实验厅内进行了全尺寸油池火对比试验。

4·A new interactive robot, named Jia Jia, was unveiled Friday by the University of Science and Technology of China (USTC) in Hefei, capital of east China's Anhui province.

一名为“佳佳”的新型交互机器人于周五在安徽合肥的中国科技大学首次亮相。