An exposure of one hundredth of a second will is enough.

　　百分之一秒的.曝光時(shí)間就足夠了。

　　Track races are measured by time, accurate to one hundredth of a second.

　　徑賽項目用時(shí)間來(lái)測定成績(jì)，精確到百分之一秒。

　　This year, the Research Institute is celebrating its one hundredth anniversary.

　　到今年為止，這個(gè)研究所已經(jīng)成立一百周年了。

　　He asked himself for the hundredth time who the club members were.

　　他一直在想這個(gè)俱樂(lè )部的成員都有誰(shuí)。

　　A metric unit of length equal to one hundredth of a meter.

　　公制長(cháng)度單位等于百分之一米。