arbitrary concentration的用法和樣例：
例句
- For a number of the more important species, relative concentration profiles are shown in Fig.
若干比較重要的物質(zhì)的相對濃度廓線(xiàn)示于圖中。 - 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，如果想獲得更高得率和最好的脫木素效果，應使用相對濃度較低的蒸煮液。
