this

pron. 這，這個(gè)，這事，這人，這時(shí)，下面所說(shuō)的事；adj. 這，這個(gè)，剛過(guò)去的，即將到來(lái)的，今…，本…；adv. 這樣地，就是這樣，這么地；

例句
Victoria Falls has had above average levels of rainfall this year...
維多利亞瀑布今年的降雨量超過(guò)了平均水平。

paper

n. 紙，文件，論文，文章；vt.& vi. 貼紙；vt. 包裝，用紙覆蓋，貼壁紙，提供紙張，[俚語(yǔ)] 提供免費(fèi)入場(chǎng)券；vi. 貼糊墻紙，發(fā)交通違章傳票；adj. 紙制的，似紙的，有名無(wú)實(shí)的；

例句
...the acquisition of a profitable paper recycling company.
對(duì)一家效益好的紙張回收公司的收購(gòu)

introduces

v. 提出( introduce的第三人稱單數(shù) )，介紹，引進(jìn)，作為…的開(kāi)頭；

例句
If the Government introduces a carbon tax on road haulage, then carriage by water will become more attractive.
如果政府開(kāi)始對(duì)公路運(yùn)輸征收碳稅,那么水運(yùn)就會(huì)變得更加具有吸引力。

calculation

n. 計(jì)算，盤算，估計(jì)，計(jì)算的結(jié)果，深思熟慮，慎重的計(jì)劃；

例句
...the calculation of their assets.
對(duì)他們資產(chǎn)的估算

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。

measurement

n. 量度，份量，尺寸，測(cè)量法，（量得的）尺寸；

例句
...the measurement of output in the non-market sector.
評(píng)估非市場(chǎng)部門的效益

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。

British

adj. 不列顛的，英國(guó)的，英國(guó)人的，英國(guó)英語(yǔ)的；n. （總稱）英國(guó)人，英國(guó)英語(yǔ)；

例句
By 1838, the abolitionists had shamed parliament into ending slavery in British colonies...
到1838年，廢奴主義者迫使議會(huì)出于道德壓力而廢除了英國(guó)殖民地的奴隸制。

standard

n. 標(biāo)準(zhǔn)，規(guī)格，旗，軍旗，度量衡標(biāo)準(zhǔn)，直立支柱；adj. 標(biāo)準(zhǔn)的，合格的，普遍的，一般的，公認(rèn)為優(yōu)秀的；

例句
The general standard of racing was abysmal.
競(jìng)賽總體水平極糟。

involute

adj. 紛亂的，復(fù)雜的；n. 漸開(kāi)線；vi. 恢復(fù)原狀，消失；

例句
The surface obtained when every point on the edge generates an involute is called helicoid.
表面獲得了在邊緣的每點(diǎn)什么時(shí)候引起一斷開(kāi)線叫斷開(kāi)線螺旋面.

...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(ài)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(tīng)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(shū)人要求支付的權(quán)力。

Mary was wearing the same drab grey dress.
瑪麗穿著同一件毫無(wú)朝氣的灰色裙子。

He was well-built, but too fleshy to be impressive.
他肌肉發(fā)達(dá)，但是太胖了，沒(méi)給人留下好印象。

Have you seen the Talk Show on Channel VI last night?
你看了昨天晚上四頻道的脫口秀了嗎 ?

He would make a good politician—he could talk the hind legs off a donkey!
他做政客肯定合適——他能滔滔不絕地說(shuō)個(gè)不停。

If it's got a follicular tag, we can get a match.
如果還有毛囊, 我們就能作比較了.

The new play will be much better if the comedian slicks up his act.
要是那位喜劇家改進(jìn)一下表演,這出新戲?qū)⒏鼮榫?

We soon dispatched the chocolate cake.
我們很快就吃完了巧克力蛋糕。

Our anxiety about an austerity drive in industrialised countries is clear.
很顯然,工業(yè)國(guó)的緊縮風(fēng)潮令我們感到不安.

Practice makes perfect.
熟能生巧

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This paper introduces calculation and measurement of BRITISH Standard Involute splines.是什么意思？

This paper introduces calculation and measurement of BRITISH Standard Involute splines.

介紹了平齒根齒側(cè)配合英制漸開(kāi)線花鍵計(jì)算、測(cè)量的基本公式及方法.