during which 在这期间 This could take a few seconds,during which your screen might flicker.在这个期间,屏幕可能会闪烁不定.The time during which lunch is usually eaten.午餐时间通常吃午饭的那一段时间.amo...那么上述二者和of which 的区别是什么呢？of which有“其中”的意思，但of which，一般是从属关系，用在定语从句中比较多。