Afforestation has been carried out in hong kong as early as 1870s . the major purposes for this has shifted from amenity reasons , erosion control , production of firewood , improving water supplies and to the current interest in biodiversity enhancement and ecological restoration 植林工作始于一八七o年,其目的由早期在于美化环境控制冲刷、生产柴薪、改善集水系统,及至近年藉以增强生物多样性及回复生态自然原貌。
The international rainwater catchment systems association ( ircsa ) aims to promote and advance rainwater catchment systems technology with respect to planning , development , management , science , technology , research and education worldwide ; establish an international forum for scientists , engineers , educators , administrators and those concerned in this field ; draft international guidelines on this technology and update and disseminate information ; collaborate with and support international programmes 描述:国际雨水集水系统协会( ircsa )成立于1989年,目的是研究雨水集水技术的设计、工艺、发展、管理、教育与普及,建立一个由相关科学、工程师、教育学家、行政管理者的国际论坛。
集: gather; assemble; collect水系: river system; hydrographic n ...分流集水系统: segregated collection system虹吸集水系统: siphonic water collection瓦管集水系统: tile filter bottom消防集水系统: fire deluge system密集洒水系统;集水花洒系统: deluge system同时开放式水喷淋系统;集水系统: deluge system供水系统, 水系: water system水系统: aqueous system; water system供水系统;给水系统: water su ly system; watersu lysystem污水系统;脏水系统: foul sewer system(马路)排水系统: sewer system泵给水系统: pump feed system泵水系统: pumping system; sumand pumsystem补充水系统: make up water system补给水系统: compensating water system; compensatingwatersystem补水系统: water charging system补重水系统: compensating water system舱底水系统: bilge system; bilge water system厂用水系统: service water system冲水系统: deluge system; flushing system抽水系统: pumping system; pumping-out system出水系统: excurrent system除水系统: other control systems; water removal system