Noun:

1. a space that is contained within another space

subtien.副系杆subn.潜艇；替代品vi.替代vt.转包合同Subgen. Cosbaean.离蕊南五味子亚属subcerebral plane大脑下平面substratum theory府层语言理论subdifferentiableadj.次可微分的subsurface tunnel暗挖隧道subcarrier symbol副载波符号sub-lethal gene亚致死基因sub-microsecondn.亚微秒substructure cost地下工程造价Subgrex Apocladusn.无枝亚群

1. Other polygons form two groups depending on their subspace.
   其他多角形根据他们的子空间形成两个小组。
2. Secondly, subspace detection methods of analog space-time codes are presented.
   其次，给出了模拟空时码的子空间检测方法。