例句與造句

1. Along the elevation gradient or succession series , the activity of alkaline phosphatase increased gradually . besides the surface sediments * alkaline phosphatase of sediments in every vegetation area has higher peak activity and vmax , but a lower km at the depth of 20 - 30cm . lt was proved that there was a remarkably active zone of the alkaline phosphatase in the sediments besides the surface layer
   而各植被樣帶沉積物中堿性磷酸酶活性、 vmax除在表層有一高值以外，各植被樣帶在20 - 30cm處有一較高峰值，而km值在該處有一較低值，說(shuō)明除了表層之外，在亞表層有一個(gè)令人注意的堿性磷酸酶活躍區(qū)。
2. It's difficult to find active zone in a sentence. 用active zone造句挺難的