the

art. 指已提到的人（物），指說(shuō)話人與聽者已知的人（物），用于獨(dú)一無(wú)二的事物前，與形容詞最高級(jí)和序數(shù)詞連用；

例句
He did have a real knowledge of the country...
他對(duì)該國(guó)的確知之甚多。

variation

n. 變化，變動(dòng)，變異，演變，變奏曲，變量；

例句
To further confuse the issue, there is an enormous variation in the amount of sleep people feel happy with.
使問題進(jìn)一步復(fù)雜化的是，每個(gè)人需要的睡眠時(shí)間千差萬(wàn)別。

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。

core

n. 中心，核心，精髓，果心，果核，[地質(zhì)學(xué)]地核，[計(jì)] 磁心；vt. 去（果）核，挖去…的果心，提取巖芯（樣品）；

例句
The core of the city is a series of ancient squares.
市中心是一座接一座古老的廣場(chǎng)。

and

conj. 和，與，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多錢購(gòu)買昂貴的首飾和衣服。

basic

adj. 基本的，[化學(xué)]堿性的，[地質(zhì)學(xué)]基性的，首要的；n. 基礎(chǔ)，基本，基本原則，基本原理，基本規(guī)律，要素，基礎(chǔ)訓(xùn)練；

例句
This basic utilitarian model gives a relatively unsophisticated account of human behaviour...
這個(gè)實(shí)用的基礎(chǔ)模型較為簡(jiǎn)略地解釋了人類的行為。

tool

n. 器具，工具，（有助于做工或完成某事的）用具，受人利用的人，壓印機(jī)；vt. 用工具給…加工，壓印，駕車到處跑；vi. 使用工具，開車，乘車；

例句
An intelligent computer will be an indispensable diagnostic tool for doctors.
智能計(jì)算機(jī)將成為醫(yī)生不可或缺的診斷工具。

of

prep. 關(guān)于，屬于…的，由…制成；aux. 助動(dòng)詞 [非標(biāo)準(zhǔn)用語(yǔ)、方言] =have [主用于虛擬語(yǔ)氣]；

例句
He did have a real knowledge of the country...
他對(duì)該國(guó)的確知之甚多。

geostatistics

統(tǒng)計(jì)地質(zhì)學(xué)；

...the spiralling vortex airflow that slows the plane.
使飛機(jī)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(lái)。

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(qǐng)致電414 3925,轉(zhuǎn)分機(jī)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?jiān)诤芏嗳丝磥?lái)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(huì)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(quán)當(dāng)有支付義務(wù)的第一方不能支付時(shí)，可以向商業(yè)票據(jù)的背書人要求支付的權(quán)力。

The family lived in misery for several years.
這家人過了幾年的痛苦生活。

We believe you represent everything British racing needs.
我們相信你代表了英國(guó)賽馬所需要的一切。

A circular to this effect will be issued in the next few weeks...
接下來(lái)的幾周內(nèi)將發(fā)布一份大意如此的通告。

...two years of travel throughout the 48 contiguous states.
兩年游遍美國(guó)本土的48州

Protest marches were held in opposition to the proposed law.
為抗議法律提案舉行了示威游行。

I found it hard to keep my balance on the icy path.
我覺得在冰滑小道上走路要保持身體平衡是相當(dāng)困難的。

You should have liquid food, for you still have a fever.
你應(yīng)該吃些流質(zhì)食物, 因?yàn)槟氵€在發(fā)燒.

Farmers apparently hold back produce in the hope that prices will rise.
農(nóng)民囤積農(nóng)產(chǎn)品顯然是希望價(jià)格能夠上漲。

He cycled to Ingwold.
他騎車去英格伍德。

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變異函數(shù)是地質(zhì)統(tǒng)計(jì)學(xué)的核心和基本工具.用英語(yǔ)怎么說(shuō)？

變異函數(shù)是地質(zhì)統(tǒng)計(jì)學(xué)的核心和基本工具.

The variation is the core and basic tool of geostatistics.

the

variation

is

core

and

basic

tool

of

geostatistics