Objective To evaluate the CT findings and clinical application in sacrum neoplasms.

Most chordomas are found at skull base, sacrum and cervical spine.

大多数脊索瘤发生在颅底 、 颈椎及荐骨.

Chordomas are rare tumors of notochordal tissue remnants and most frequently affect the sacrum and base.

脊索瘤是来自脊索遗迹的罕见肿瘤,主要侵犯荐椎及颅底.

In this paper, aluminum-scandium alloys were prepared starting form scandium oxide by molten salt electrolysis.

本文采用了熔盐电解法研究铝钪合金的制备.

PMBPmediated emulsion liquid membrane Was developed to extract scandium from a mixture.

我们得到PMBP为载体的乳状液膜从混合液中提取钪.

Scandium-modified Al alloys are a new kind of high performance alloys.

钪改性的铝合金是一类高性能新型铝合金.

The distribution in nature, application, and extraction technology of scandium are introduced.

论述了稀散元素钪在自然界中的分布 、 应用状况及提取技术.

This paper the acidity changes across the membrane when various carriers were used to extract scandium.

本文报导了使用不同载体萃取钪时,液膜内外相的酸度变化.

I'd like to rent a car, please. I need it for business.

我想租一辆汽车, 是为了业务上的需要.

And you have to rent the telephone line.

而且你还要租用电话线路.

I'd like to rent a car for the weekend.

我想租一辆汽车周末用.

Many people prefer to rent their television sets instead of buying them.

许多人情愿租电视机而不愿买电视机.

He decided to rent the house.

他决定租这房子.

I want to rent a furnished house.

我想要有家具的房子.

I can't get a let for my house, ie find anyone to rent it from me.

我的房子租不出去.

I sold my rickshaw to Mr. Zuo so you'll have to rent one, how's that?

我的车卖给了左先生,你要来的话,得赁一辆来; 好不好? ”

Mary, whose house we are going to rent, is a middle-aged woman.

我们准备找她租房的那个玛丽是位中年妇女.

The Waste Land , the most famous andpoem of this century, has its own special structure.

分析本世纪最负盛名的诗歌《荒原》的结构方式.

There was a patch of waste land behind the church.

教堂的后面有一块荒地。

He is puzzled by " The Waste Land ".

《荒地 》 一书使他迷惑不解.

They dug up the waste land to grow more apple trees.

他们开垦荒地,以便栽种更多的苹果树.