bed composition

基本解释

Based on numerous test data, the influences of filter bed composition on the effect of direct filtration of raw water using an upflow polystyrene filter were discussed.
试验结果表明：滤层组成的确定应综合考虑过滤周期发出水水质。
The results indicated that except reef fish, the seasonal changes of fishery species composition in seaweed bed (SB) were much more obvious than those out of the seaweed bed (OSB).
结果表明，枸杞岛海藻场内的渔业生物组成的季节变化比藻场外明显，但岩礁性鱼类除外；
The effects of the feed rate of air, steam and coal on bed temperature, gas composition, calorific value, carbon conversion and gasification efficiency are predicted and analyzed with the model.
在此基础上，还就空气加入量、蒸汽加入量及加煤速率对床温、煤气组成、煤气热值、碳转化率和气化效率的影响做了预测和分析。

After the bed-and-breakfast gathering, where he was struck by the composition of the mourners, Hardy sent an e-mail to Donna St.
NEWYORKER: A Soldier’s Legacy