地球上的方向是通过方位角测定的.Direction on the sphere is measured by azimuths.每个交叉点上的一条边的长度和方位角是一开始就决定的.The length and azimuth of one side at each junction point is first decided on.方位误差必须观测天文方位角 ( 及经度 ) 来控制.The error in azimuth must ...
It seemed to some observers that the English had a mania for travelling...在某些观察家看来，英国人对旅行似乎抱有一种狂热。A letter headed ‘Advertising Mania’ appeared in the paper.报纸上出现了一封题为“广告热”的信。The markets of Kampala have been taken over wi...
The press carried his avowal throughout the country.全国的报纸登载了他承认的消息.He shrank back a little from her as she made this free avowal.听她直言不讳地供认,他便往后缩了缩,隔她远一点.an avowal of faith信仰的表白Avowal. Sonnez. I could . Rebound of garter ...
是地心吸引力使苹果下落.It is gravitation that causes the apple to fall.物体脱手即向地心方向跌落是由于重力吸引的缘故.Anything that is dropped falls towards the centre of the earth because of the pull of gravity.“ 你们连气候或者地心吸力都还没法控制.'You don't ev...