You know, I am still not too clear about the hydrologic cycle, the transfer of water back and forth between the earth and the atmosphere.

你知道，我仍然不是很清楚水文循环，也就是水在地球和大气之间的来回转移。

youdao

Glaciers are part of Earth's hydrologic cycle and are second only to the oceans in the total amount of water contained.

冰川是地球水循环的一部分，其含水量仅次于海洋。

youdao

To undertake works on hydrologic management.

负责水文管理工作。

youdao

World Water Day 2004: public outreach programme, secondary school essay competition, radio programme, expositions with literature, hydrologic models, etc.

UNESCO: Trinidad y Tobago: Actividades Bienios Anteriores

International Year of Freshwater: public outreach programme, poster contest, secondary school essay comptetition , radi oprogrammes, exposition containing literature, hydrologic models, etc.

UNESCO: Trinidad y Tobago: Actividades Bienios Anteriores

Sound barriers, pesticides, fishing, pheromones, barriers of bubbles and complete hydrologic separation of the Mississippi and Great Lakes watersheds are all being considered.

ECONOMIST: The Great Lakes