The pig is a litter-bearing animal and a typical female will give birth to 10 or more piglets. It is common for sows to give birth to two litters of pigs each year.
猪是一种多产胎动物，一头好的母猪能产10头甚至更多的小猪，一般来说一头母猪一年能产两窝小猪。
2
In the condition of eliminating the lagging strain of Angle iron, the magnitude of pre-stress putting on the Angle iron has litter impact on the ultimate bearing capacity of structure.