结果5例HIV脑炎中，3例表现为双侧大脑半球白质区对称性异常信号，2例表现为脑萎缩。
Results 3 cases showed the symmetry signal abnormal in bilateral whiter matter and 2 cases showed brain atrophy in 5 patients with HIV encephalitis.
记录和分析了高功率激光焊接中工作区的紫外和红外信号，着重分析了双波段信号与离焦量变化的对应规律。
Dual waveband signals in high power laser welding were recorded and analyzed, especially, the law between the signals magnitude and the defocusing was discussed.
记录和分析了高功率激光焊接中工作区的紫外和红外信号，着重分析了双波段信号与离焦量变化的对应规律。
Dual waveband signals in high power laser welding were recorded and analyzed, especially, the law between the signals magnitude and the defocusing was discussed.
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