中位数

The Laser Raman Microprobe study of these quenching melts has obviously shown that within the high frequency region (900~1200cm-1), the higher the pressure, the smaller the frequency of T-Onb symmetry and antisymmetry stretching vibration.

其激光拉曼微探针研究表明：随压力增大，T-Onb在高频区(900~1200cm-1)的对称和反对称伸缩振动频率明显减小；过铝质熔体中存在六配位铝，且随压力增大，铝的配位数可能有从四配位向六配位转化的倾向。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。