很昂贵的

Although the work of so-called Ask The See For Oil has already been begun in the 1950s', however, due to the belittlement and lack of technology, the offshore oil exploration devices used to be imported, which are both expensive in price and hard in reparation.

虽然向海洋要石油的工作早在50年代就开始了，但是，由于以前的不重视和技术发展的落后，我国海洋石油勘探设备一直都是从国外进口，价格昂贵，维修很不方便。

And the existing methods to decontaminate the waste water were with mechanism equipment or by the biochemical engineering, which were both high cost and difficult to reach the national standard.

现有的污水工程处理方法，单靠机械或生化工程设施来治理污水，很难使废水达标排放或处理成本十分昂贵，而且需要投入大笔的工程资金。

But for the middle and large scale problems, the computation cost by symbolic differentiation is very expensive. When the direction derivative is evaluated, the computation cost by divided difference can be reduced, but it is only one kind of approximate computation.

对于大中规模问题来说，使用符号微分，成本昂贵，有时甚至不可行，在计算导数的方向梯度时，利用差分法虽然可以降低计算成本，但得到的是近似值，而且确定恰当的差分区间也很困难。

It is restricted to this new technique for clinical application, and extremely disadvantageous to research and development of visual electrophysiology in our country, because the prices of the equipments imported are very expensive.

由于进口设备的价格非常昂贵，在很大程度上限制了该技术在我国临床上的应用，同时也极不利于我国视觉电生理的研究和发展。

The group of writers in America who, under the editorship of Dr. Paul Carus, have been identified with the "Monist"(Chicago, monthly, first number, Jan., 1891) are not, apparently, actuated by the same animosity against Christianity.

该集团的作家在美国谁下，编辑保罗医生昂贵，已确定与" monist "（芝加哥，每月的第一个号码， 1月， 1891年）是没有，很明显，驱动，同时对基督教的敌意。

Metal oxide materials are employed as electrodes for Faradaic capacitors, a typical representative of metal oxides is hydrated RuO2, which can yield a capacitance as high as 768 F·g-1 in H2SO4 electrolyte for a single electrode. However, it has a relatively high cost and this will prevent broader commercial applications; Besides, if RuO2 contacts with H2SO4 electrolyte for a long time, it may dissolve at a certain extent; at the same time, H2SO4 electrolyte can erode current collector, which cause entironment pollution.

赝电容器主要是以金属氧化物为电极材料，典型代表为RuO2，无定型RuO2在H2SO4溶液中单电极的比电容高768F·g-1 ；但由于Ru是贵金属、价格昂贵、难于实现商业化，并且RuO2长时间接触硫酸电解液，会出现一定程度的溶解，同时硫酸很容易腐蚀集流体，造成环境污染。

I mean, what do you expect when you go to a school so expensive that half the population is Paris Hilton wannabes who voted for Obama simply because it was popular (and couldn't tell you a single thing about him)?

我的意思是，你能指望什么，当你到如此昂贵一所学校，有一半的人为奥巴马投了赞成票，只是因为这很流行？

It's also not a good idea if you've had your current mortgage for a long time and have paid off most or all of the interest due or if your current mortgage has a prepayment penalty clause that makes refinancing to costly.

这也不会是个好主意，如果你有你目前按揭了很久，并已付清大部分或全部的到期利息，或如果你的按揭目前已预付了处罚条款，使融资昂贵。

Fused silica is an excellent glass but expensive because of pure silica's very high melting point.

熔硅玻璃是极佳的玻璃，但由于纯硅的熔点很高，所以制造费用昂贵。

Fused silica is an excellent glass but expensive because of pure silica's very high melt ing point.

熔硅玻璃是极佳的玻璃，但由于纯硅的熔点很高，所以制造费用昂贵。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失