oil concentration的用法和樣例：
例句
- Despite the reduced oil content with increasing nitrogen rates, the highest oil production per hectare came from the highest nitrogen treatment.
儘管隨著氮肥施用量的增加含油率下降，但每公頃最高油產量仍得自於最高的施氮肥處理。 - Niuerdu and Zake cv.had higher GCA effect,their F1 hybrids also had maximum SCA.The two varieties are desirable parents for high oil content breeding.
牛耳朵和渣殼油菜的一般配合力效應較高，其雜交組合的特殊配合力效應值也最大，它們是兩個含油率較理想的親本材料。
