Try to get into the habit of eating at least three small meals a day, at equally spaced intervals.尽量养成每天至少吃3顿小餐的习惯，而且每餐的间隔要相同。Some ready made meals are nutritious and very easy to prepare.一些预制膳食很有营养，而且烹调起来很简单。Manichaean ...
边缘同态d按以下方式来定义.The boundary homorphism d is defined as follows.给出了两个常用格上序同态的结构定理.Two theorems about structures of order - homomorphisms on two Fuzzy lattices are given.给出了任意自同态像图都是收缩核的分裂图的结构.The split graph is given endom...