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....
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...
This paper describes the design method of broad band coaxial termination load.本文叙述了宽带同轴终端负载的设计方法.Coaxial cable is also used for undersea telephone lines.同轴电缆也用于海底电话线.On coaxial cables, a collision was immediately apparen...
His intellect and mental agility have never been in doubt.他的才智和机敏从未受到怀疑。When in doubt, call the doctor.如有疑问，请联系医生。The outcome was still in doubt.结果仍不确定。...
The cut-off date for registering is yet to be announced...还没有宣布登记的截止日期。More needs to be done to simplify the process of registering to vote.需要进一步简化投票注册程序。An increasing number of students are registering for degree course...