plot size determination

• 样区大小确定

plot size determination的用法和样例：

例句

1. The size is determined at run time by the size of the managed array being passed.
   大小在运行时由被传递的托管数组的大小确定。
2. The size of the shared memory determines how many instances can be used at once.
   共享内存的大小确定一次能够使用多少个实例。