单词：relative concentration
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。
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