Once upon, slover the root equation of a degree and equation of two degree that need input coefficient of equation, data separate need comma or space, output the root equation.

The students need equation, It is very necessary that slover the root equation of a degree and equation of two degree.

学生学习离不开方程，求一元一次方程和一元二次方程的根十分必要。

Six months ago Mr Ren renewed negotiations with industrialist Mr Tronchetti Provera. "We really saw eye-to-eye," ChemChina's chairman said. "Our strategies and visions had not changed over the past three years."

半年前任建新再次与实业家特隆凯蒂•普罗维拉洽谈，他说：“我们的看法完全一致，过去三年我们的战略和愿景都没有变过。”

The telecoms giant was in turmoil after a fight with the government over its plan to spin off [ 5] its mobile-phone unit caused its chairman, Mr Tronchetti Provera, to resign.

电信巨头曾因计划将其旗下的移动电话拆分单独运作一事与争执，直接其总裁特龙切蒂•普罗费拉下台。

Just over a month after resigning, Mr Tronchetti Provera and other investors in Telecom Italia registered a shareholders'pact with Consob, Italy's stockmarket watchdog.

辞职刚刚多月，特龙切蒂•普罗费拉就会同意大利电信的投资者在意大利股市监管Consob注册了股东合约。

Method 76 cases of endometrial hyperplasia in all were randomly divided into observation and control groups, the former took Shaofu Zhuyu Tang orally, the latter provera tablets.

方法共有76例子宫内膜增殖症患者，随机分为观察组、对照组两组，观察组予少腹逐瘀汤口服，对照组予安宫黄体酮片口服。

Control group ( 34 cases) by provera tablet and blank group without any treatment.

对照组34例服甲孕酮片；空白组不施加治疗。

There year survival rates of stage 3 patients of the chemotherapy group, progesterone acetate group and provera group were: 34.8%, 66.2%, 73.9% respectively; the 3 year recurrence rates were: 72.2%, 47.3%, 40. 6% respectively.

单纯化疗组、己酸孕酮组、普维拉组3期患者术后3年生存率分别为34.8%、66.2%、73.9%，复发率分别为72.2%、47.3%、40.6%；

The patients were divided into chemotherapy group, progesterone acetate group and provera group.

方法以已行瘤体减灭术的卵巢上皮性癌患者1～4期为研究对象，分为单纯化疗组、己酸孕酮组和普维拉组。

how well I remember the spicy, clovery smell of his breath!

至今我还清楚地记得小马驹呼出的那种浓烈的三叶草味道。

For cosmology, "Lonely Hearts of the Cosmos," by Dennis Overbye, was one of my first favorites.

在宇宙学方面，丹尼斯·奥伊尔拜（Dennis Oyerby）的《宇宙的孤独之心》（Lonely Hearts of the Cosmos）是我最早喜欢上的书之一。

Though it is depressingly rare for the underdog to win in the real world, I'd like to cling to the idea that when they do, they have something special to offer that the overdog does not.

尽管在现实世界中失败者成功的可能性小得令人沮丧，但我愿意坚持这种观点，那就是一旦他们获得成功，他们会带来一些特别的东西，而这些是那些天之骄子们所不具备的。

A champion of the overdog who provides tax breaks for the rich while cutting social services for the poor ( Leon Daniel)

一个支持停止富人缴税同时却削减为穷人提供社会服务的特权阶级的人（莱昂丹尼尔）

Non-extraction treatment of Class ⅱ division 1 malocclusion with deep overjet

安氏Ⅱ类1分类Ⅲ度深覆盖错？的非拔牙矫治

The key point is how to open bite quickly and effectively and improve the overjet relationships.

如何快速而有效的打开咬合，减少覆盖是矫治成功的关键，也是矫治的难点。

The research of Orthodontic therapy in second molar overjet

正畸矫治第二恒磨牙深覆盖的研究

Cases obtained normal overjet and overbite and molar relationship.

其中，9例患者前牙达到正常覆牙合、覆盖关系，磨牙中性关系，2例患者前牙达到浅覆牙合、浅覆盖关系，后牙中性偏近中关系。

Analysis of Root Absorption in Treatment of Angle's ⅱ~ 1 Overjet of Different Ages

不同年龄安氏Ⅱ~1类正畸治疗后牙根吸收的分析

The overjet and chewing time were the important factors influencing masticatory efficiency.

深覆盖及咀嚼次数是影响咀嚼效能的重要因素。

Results Compared with patients with normal overjet,(?)

结果与正常覆盖组相比，I度深覆盖组患者的（？）

A few months ago I went to Bolsover, a former mining town in Derbyshire whose economy looked fairly good on paper.

几个月前，我去了德比郡（Derbyshire）一个曾经的煤矿小镇博尔索弗（Bolsover），那里的经济数据看上去相当不错。