There's a time lag between infection with HIV and developing AIDS.从感染艾滋病病毒到病发有一段滞后期。For more general application the double time lag model should be used.对于更一般的应用,应当采用双肘滞模型.Increasing the total time lag is destabili...
He made his way along the sepulchral corridors.他沿着阴森森的走廊走着。a sepulchral voice低沉的声音"He's gone," Rory whispered in sepulchral tones.“他已经走了，”罗里阴沉地小声说道。'He's gone,' Rory whispered in sepulchral tones.“他已经...