The accumulation of the anionic trash in paper stock causes a lot of problems to the wire operation and the properties of the sheet, particularly the paper sizing performance.

阴离子垃圾的积累给纸机网部抄造及纸的性质带来很多影响，尤其是纸张施胶效果。

youdao

Relationship between sedimentary facies and hydrocarbon distribution shows that most favorable oil and gas accumulation zones occur in the mouth bar, distal bar and sand sheet.

该区沉积相与油气分布关系分析表明，河口坝、远砂坝和席状砂微相是最有利的油气聚集带。

youdao

Scientists compare annual accumulation to the volume of ice lost to sea each year to calculate the ice sheet's overall mass balance and its contribution to sea level rise.

ENGADGET: NASA's GROVER eco-rover to examine Greenland's ice sheet (video)