More than 170 hectares were afforested, reducing water runoff from the hillsides.超过170公顷的土地已植有林木, 以减少雨水从山坡流下.There sugar-beet plantation areas were expanded to 176000 hectares.他们的甜菜种植面积增加到176000公顷。In 1970 the average siz...
In 1970 the average size of a French farm was 19 hectares.1970年，法国农场的平均规模为19公顷。Thousands of hectares of forest are destroyed each year.每年都有几千公顷的森林遭到破坏。There sugar - beet plantation areas were expanded to 176000 hectares....
Seaweeds are any of numerous marine algae, such as a kelp, rock weed , or gulfweed.海藻指任一种海生藻类, 如大型褐藻 、 岩石藻或马尾藻.Soak the dried seaweeds in pure ( non chlorinated ) water until soft.将海藻浸泡在 纯净水 里直到软化.Some green seaweeds suc...
Mobility is very important in guerrilla warfare.机动性在游击战中至关重要....trench warfare.堑壕战blatantly contravening the rules of civilized warfare公然违反文明战争的原则Identification Friend - or - Foe ( IFF ) system is very important in moder...