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A key problem of oilfield data integration is that data cannot be exchanged among isomeric databases.是什么意思？

A key problem of oilfield data integration is that data cannot be exchanged among isomeric databases.

異構數據庫之間不能流暢地交換數據是油田數據集成的主要瓶頸之一.

key

n. 鑰匙，（打字機等的）鍵，關鍵，線索，秘訣，（音樂的）調；vt. 鍵入，鎖上，調節…的音調，提供線索；vi. 使用鑰匙；adj. 關鍵的，主要的；

例句
Several key crops failed when they were attacked by pests.
一些主要農作物由于遭受蟲害而歉收。

problem

n. 問題，疑難問題，習題，引起麻煩的人；adj. 成問題的，難處理的，關于社會問題的；

例句
Such is the size of the problem that these arguments are purely academic.
問題的實情在于這些論點純屬空談。

of

prep. 關于，屬于…的，由…制成；aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣]；

例句
He did have a real knowledge of the country...
他對該國的確知之甚多。

oilfield

n. 油田；

例句
A key problem of oilfield data integration is that data cannot be exchanged among isomeric databases.
異構數據庫之間不能流暢地交換數據是油田數據集成的主要瓶頸之一.

data

n. 資料，材料，datum的復數，[計算機]數據，資料，從科學實驗中提取的價

例句
McCarthy was asked to analyse the data from the first phase of trials of the vaccine...
麥卡錫被要求對第一階段疫苗試驗的數據作出分析。

integration

n. 結合，整合，一體化，（不同膚色、種族、宗教信仰等的人的）混合；

例句
...the integration of farming enterprises.
農業企業的整合

is

vt.& vi. 是（be的三單形式；n. 存在；

例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香檳是一種名貴的備受推崇的葡萄酒。

that

det. 那個，那；pron. 那個，那；conj. 多么，如此…以至，用于某些動詞、形容詞和名詞后，引出各種從句；adv. 不那么，那樣；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我們所見的由一位漂亮模特代言的昂貴化妝品

cannot

=can not，未可，不能，不可；

例句
...parents who feel they cannot cope or might abuse their children.
認為自己應付不來或可能會虐待孩子的父母

be

v. 是，有，存在，做，成為，發生；aux. 用來表示某人或某物即主語本身，用來表示某人或某物屬于某一群體或有某種性質；

例句
The older child should be able to prepare a simple meal...
那個年紀稍大的孩子應當會做一頓簡單的飯菜。

exchanged

v. 換回( exchange的過去式和過去分詞 )，交換，替換，進行易貨貿易，作物物交換，[金融業]（貨幣）交換，兌換；

例句
We exchanged addresses and Christmas cards...
我們交換了地址和圣誕賀卡。

among

prep. （表示牽涉）經過，（表示位置）處在…中，（表示范圍）在…之內，（表示所屬）為…所特有；

例句
The system is failing most disastrously among less academic children.
這種制度對學習不太好的孩子效果最差。

isomeric

adj. 同質異構的；

例句
Any of three gaseous isomeric ethylene hydrocarbons , C 4 H 8 , used principally in making synthetic rubbers.
丁烯乙烯的三種氣態同分異構體之一,C4H8, 主要用于制造合成橡膠.

databases

n. 資料庫( database的名詞復數 )，數據庫，（貯存在計算機中的）數據庫；

例句
Methods ? ? - actin pseudogenes were found out with bioinformatics databases such as EMBL, PSEUDOGENE.
方法利用EMBL 、 PSEUDOGENE等生物信息數據庫,尋找β-actin的假基因.

...the spiralling vortex airflow that slows the plane.
使飛機減速的螺旋形氣流渦旋

You just go on ahead. I'll come by later...
你只管先往前走。我隨后就來。

He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打兒子的,是恨惡他;疼愛兒子的, 趁早管教.

For further information, please contact 414 3925, extension 2253.
詳情請致電414 3925,轉分機2253。

He sat there while I made the case for his dismissal...
他坐在那兒，聽我陳述解雇他的理由。

Baroness Thatcher's claims seem credible to many.
撒切爾女男爵的主張在很多人看來是可信的。

Nothing to be got without pains but poverty.
一份耕耘，一份收獲。

This decree obliges unions to delay strikes.
該法令迫使工會推遲罷工。

The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索權當有支付義務的第一方不能支付時，可以向商業票據的背書人要求支付的權力。

The tone of his voice is so arresting that everyone listened attentively.
他的語調十分引人注意，大家都聚精會神地聽著。

Israel has a relatively small standing army and its strength is based on its reserves...
以色列的常備軍規模相對較小，其軍事實力主要在于它的預備役部隊。

So you snapped your wire eating a bagel?
那么鋼絲是在你吃面包圈的時候斷的?

Methods: To take TaoRenChengQi soap cooperated with lumbago sal functional exercise.
方法: 采用桃仁承氣湯加減內服,配合腰背伸肌功能鍛煉.

The girl has grown prettier than ever since I saw her a year ago.
一年不見,小姑娘出落得更漂亮了.

Corton is the largest area of Grands Crus in Burgundy.
高頓是布根地地區最大的等級產地.

With paint film confecting envirogluvtm its gloss, transparency and tinting strength.
用顏料片配制的油不朱其平澤度、透明性及著色辛矮.

They thinned out a stand to create a lush forest tomorrow.
他們除去了林場中多余的樹木,以利來日森林長得更茂密.

The soldiers fought hard and began to gain ground.
士兵們奮力作戰,開始占領敵軍陣地.