例句與造句

1. The study reveals that the physical change rules in jinhu depression properly indicate the direction of oil and gas migration , its migration coefficient reflects its lateral and vertical migration levels , by which the major migration patterns can be obtained quantitatively
   研究得出金湖凹陷地面原油物性變化能很好地反映油氣運移的方向，運移系數(shù)可以反映油氣側(cè)向、垂向運移的程度，定量地得出主要運移方式。
2. It's difficult to find migration coefficient in a sentence. 用migration coefficient造句挺難的