望远镜的物镜必须精确置于中心上.The object glass of a telescope must be accurately centred.此物镜仅产生很小的散射光.This objective produces only very little scattered light.由单透镜组成的物镜可作目视和照相观测用.Objectives which consist only of one lens can be used f...
I woke up to the sound of larks chirruping.百灵鸟的叽叽喳喳声把我给吵醒了。Larks were rising in spirals from the ridge.云雀从山脊上盘旋着飞起。Maybe if she heard the larks sing she'd write.玛丽听到云雀的歌声也许会写信的....
急救员要接受现场护理的额外培训.Paramedics are to have extra training in administering on - the - spot treatment.几乎所有关于婴儿护理的书籍中内容最多的一章都是喂养。The longest chapter in almost any book on baby care is on feeding.需要医疗护理的孩子们正在庭院里等着.The children ...
终有一天，你会学会让泪往心里流。Eventually, you'll learn to cry that on the inside.对于现况的不满，不能只是抱怨，要有勇气作出改变。If you're not satisfied with the life you're living, don't just complain. Do something about it.若IBM公司和苹果公司联手...
电力市场环境下,不同的网损分摊方法对交易电价有一定影响.Different loss allocation methods affect price in electric market.电价, 小水电发展的桎梏.Electrovalency, the fetters and handcuffs that urine report develops.计算中避免了电价, 热价和冷价!Electricity price , heat pri...
Transferred , Buddha Ulan Bator walked, was left over in Acrobatics Yongshun.交待完了,佛库伦走了, 就剩下布库里永顺哪.The picture shows Ulan Bator Gymnasium.图为乌兰巴托体育馆.Academy of the Science: Ulan Bator; f . 1921.科学院: 在乌兰巴托; 1921年成立....