求翻译：国内外大量研究表明，使用高吸水性树脂，能显著提高土壤的含水量、体积膨胀率、总孔隙度和毛细管孔隙度，改善土壤结构，缓和地温变化，促进微生物活动，提高土壤肥力。是什么意思？

Domestic and international studies have shown that use of super absorbent polymers, can significantly improve the soil moisture content, volume expansion, total porosity and capillary porosity, improve soil structure, ease to temperature changes, and promote microbial activity, improve soil fertilit

Numerous studies indicate that both at home and abroad, using high-absorbent polymer, can significantly improve soil moisture content, volume expansion coefficient, total porosity and capillary porosity, improve soil structure, ease geothermal changes, promote microbial activity, soil fertility impr

The domestic and foreign massive research indicated that, uses the high hygroscopicity resin, can obviously enhance the soil the water content, the volume expansion rate, the gross porosity and the capillary vessel porosity, the improvement soil structure, relaxes the ground temperature change, the

A large number of studies have shown that at home and abroad, using Super absorbent resin, can significantly increase the soil's water content, volume expansion rate, total porosity, and capillary porosity, improve soil structure, mitigate temperature change, promote microbial activity, improve soil

Domestic and international studies have shown that use of super absorbent polymers, can significantly improve the soil moisture content, volume expansion, total porosity and capillary porosity, improve soil structure, ease to temperature changes, and promote microbial activity, improve soil fertilit