relative concentration的用法和样例：
例句
- For a number of the more important species, relative concentration profiles are shown in Fig.
若干比较重要的物质的相对浓度廓线示于图中。 - Thus, to obtain the maximum yield of cellulose at a given delignification and pulp yield, it is desirable to use liquor of relatively low concentration.
然而，如果想获得更高得率和最好的脱木素效果，应使用相对浓度较低的蒸煮液。
