pkpm超配筋信息显示这个，请问这些是什么意思啊？

| 第 25 层配筋、验算

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** ( 1)X/Ho= 0.5176 > 0.35
** ( 1)Rs=500.00 > Rsmax = 2.50
** ( 16)Rs=500.00 > Rsmax = 4.00
** ( 17)Rs=500.00 > Rsmax = 4.00
** ( 18)Rs=500.00 > Rsmax = 4.00
N-B= 69 (I= 15492, J= 15493) ( 1)B*H(mm)= 120* 250
Lb= 3.00 Cover= 25 Nfb= 2 Rcb= 30.0 Fy= 360. Fyv= 270.
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