for the glass fragment to strike her, the glass has to be smash at a precise speed and precise angle with a precise orientation, and possibly if the glass has any pre-existing defect. 6 l/ L# g- l+ A7 i: c' _' T8 o; r
7 ]( c+ j( I' m% O/ j4 x5.39.217.77:8898the possibiolity is endless which will make it impossible to repeat the experiment. |
發表於 2011-6-24 09:56 AM
| 
發表於 2011-6-24 08:23 PM
| 
