The history of bone remodeling theory experiences three main periods: qualitative analysis, quantitative analysis and fix quantify value simulation by computer.

1、

In the second chapter, starting from the time perspective, England sheep industry is divided into three time periods for specific analysis and presents the characteristics of the sheep industry in each time period.

第二章从时间角度入手，将英国的养羊业划分为三个时间段来进行具体分析，并阐述了每个时间段养羊业的特征。

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2、

Life insurance companies for the development of different periods of time for analysis.

对寿险公司不同时期的发展进行分析。

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3、

Discussion on Historic Experience of Reform and Opening during the New Periods Analysis of Health Reform in China

论新时期我国改革开放的历史经验--对我国卫生改革的评析

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4、

The variation law of annual maximum peak discharge time series at Cuntan station of the upper reaches of Yangtze River has been probed, including trends and periods analysis.

从趋势分析和周期分析两方面分析长江上游寸滩站年最大洪峰流量演变规律。

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5、

But new research suggests roughly two-thirds of couples start out as friends and maintain a platonic2 relationship for long periods before sparking a romance.

但是新研究显示，约三分之二的夫妇或情侣是从朋友开始做起的，在碰撞出爱情火花之前维持了很长一段时间的柏拉图式的关系。

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6、

Several periods of time later the butcher opens the mail and finds an envelopes from the lawyer:$ 20 due for a consultation2.

过了一段时间，肉店老板在查看邮箱时，看到了一封律师寄来的信，上面写着：请付20美圆的律师咨询费。

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7、

Like the Athenians, the Visigoths also disappeared, but not before they had ushered in the period known as the Dark Ages.

同雅典人一样，西哥特人也消亡了，不过是在他们带来一个被称作黑暗时代的时期之后。

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8、

I think there's still a minus sign problem somewhere.

我感觉在某个地方仍然有负号的问题。

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9、

What would happen if you inserted a minus sign in the middle of your physics equation?

如果你在你的物理方程式的中间插入一个减号，那将会发生什么？

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10、

Well, we swept the two components and we put a minus sign.

把两个分量擦掉，然后放个减号进去。

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11、

I therefore have to give it a minus sign.

我必须给它，一个负号。

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12、

Well, first, I'll take the minus sign out.

首先，把负号拿出来。

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13、

He smoked my stogie too?

他抽了我的雪茄？

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14、

He smoked cheap ( and smelly) cigars because he could not imagine spending as much as$ 2 on a stogie.

沃尔克则抽着廉价（还有点难闻）的雪茄，原因是他最多肯为每支廉价雪茄支付2美元。

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15、

But cigar smokers around the country are fed up with smoking bans that prevent them from enjoying stogies in cigar bars with friends.

禁烟令使他们不能跟朋友一起在雪茄吧享受快乐时光。

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16、

It seemed too late to start chastising myself for being a American tourist dumb enough to be coaxed into the night for a few stogies.

这时候才开始自责似乎太晚了，我真是个无知的美国游客，蠢到为几支雪茄就被骗到了这个黑咕隆咚的地方。

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17、

What if the only thing inside's a bunch of stogies?

但是如果里面就只有笨重的长靴呢？

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18、

I smoke old stogies I have found.

我抽我找到的廉价雪茄。

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19、

I have nothing to add to my earlier statement.

我对我早先说的话没有什么补充的。

《牛津高阶英汉双解词典》

20、

These options would actually worsen the economy and add to the deficit

这些选择实际上只会造成经济形势更加恶化，赤字愈见增加。

《柯林斯高阶英汉双解学习词典》