1. 水循环：生物地球化学循环分三大类型:水循环(water cycle)、气体型循环(gaseous cycle)和沉积型循环(sedimentary cycle). 2.水循环. 水和水循环对于生态系统具有特别重要意义,它是地球上各种物质循环的中心循环. 通过降水和蒸发这两种形式,
2. 水循环; 水分循环：water content含水量;湿度 | water cycle水循环;水分循环 | water deficit缺水量;水量差
3. 水文循环：water culture 水耕法 | water cycle 水文循环 | water diviner 探测水源者
4. 水分循环：water course 水道 | water cycle 水分循环 | water demand 需水量
1. A cycle of exercising and relaxing the spine creates a pumping activity whereby spinal discs soak up water and nutrients like a sponge.
2. water cycle的意思
2. He said water in Beijing is scarce and its natural cycle is slow.
3. The cycle successfully took to the water where Li peddled for more than 20 minutes.