There was a bay-shaped quiet area of foreshocks for main shocks in a time-space diagram.
前震活动在时—空图形上分别形成“时—空”弯形平静区。
2
Since can examine brake properties as well as detect that putting on brakes won a control car soon while being out of order of timearea concentration diagram, also be termed foresight brake.
既可以检验刹车性能，也可以在发现刹车失灵时赢得控制车速的时间，也称为预见性刹车。
3
The housing of newly married couple, the timearea concentration diagram isn't too big, sometimes a house usually and have the bedroom, parlor, refreshment room and study room various functions.