At a best guess, she told SPACE. com, flights could begin in the first quarter of2013.

1、

At a rough guess, I'd say the job will take three or four weeks.

粗算一下的话，我看这活儿得花上三四个星期。

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2、

There were about 20 people there, at a rough guess.

那里约计有20人。

《牛津高阶英汉双解词典》

3、

The inner-mechanism of physical and psychological dependence caused by opium, especially the psychological dependence mechanism which determine drug resumption, is still a dimness or at a guess stage basically.

阿片类所致的身体依赖和精神依赖的内在机理仍很不清楚，特别是对复吸起决定性作用的精神依赖机理的研究，可以说是基本还处于揣测阶段。

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4、

Ian Monkford was up to his eyes in some kind of trouble-financial at a guess, he's a banker-couldn't see a way out.

伊安·蒙福德身陷麻烦大概是经济方面的因为他是银行职员出了事没法解决

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5、

Ian Monkford was in some kind of trouble-financial at a guess, he's a banker-couldn't see a way out.

伊安·蒙福德身陷麻烦，大概是经济方面的，因为他是银行职员，出了事没法解决。

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6、

At a guess I would say that 90&# 8201; per cent of business trips could be cancelled with no damage to the business.

我猜想，有90%的商务旅行可以取消，而不会对业务造成损害。

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7、

At a guess I would say sixteen per cent, and I do not think that figure is likely to get bigger in the future.

我猜测为60%并且我认为这个数字将来不可能变大。

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8、

At a guess he would have said that it was the body of a man of sixty, suffering from some malignant disease.

如果叫他猜，他一定估计这是一个患有慢性痼疾的六十老翁的躯体。

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9、

At a guess I shall say we are speeding at fifty miles an hour

我猜测我们正以每小时五十公里的速度在前进

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10、

Mid-s, at a guess. Father and son.

年代的中期吧父子照

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11、

At a guess, I'd say she must have got lost.

据我猜测，她一定是迷路了。

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12、

At a guess I should say there were fifty people present.

我估计有50人出席。

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13、

At a guess, I should say we are speeding fifty miles and hour.

我估计我们正以每小时50英里的速度前进。

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14、

At a guess there are a hundred people here.

估计这里有100人。

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15、

At a guess, there were forty people at the party.

估计有四十人参加了聚会。

《牛津高阶英汉双解词典》

16、

The interference between the motor vehicles flow and the non-motor vehicles flow at a grade intersection is mainly induced by crossing behavior of motor vehicles and bicycles.

平面交叉口的机动车与非机动车的干扰主要由于机动车与自行车之间的相互穿越行为引起的。

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17、

The Research Evolution of Unconventional At-Grade Intersection Design

非传统平面交叉口方案的设计研究进展

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18、

The model has three input degrees of freedom i. e. the steering-angle, the jounce of the left wheel and the jounce of the right wheel. Study on Behavior of Right-Turning Motor Crossing Through Bicycles at Grade Intersection

此模型具有转向输入角、左转向轮的跳动和右转向轮的跳动3个输入自由度，能全面地反映转向机构的运动学特性。平交口右转机动车穿越直行自行车行为研究

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19、

Study on Fuzzy Neural Network Model of the Vehicle-bicycle Conflicts at Grade Intersection Based on Failure FTA Theory

基于事故树的平面交叉口机非冲突模糊神经网络预测模型的研究

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20、

Clerk: We're at your service at any business time.

职员：营业的时间内我们都为您服务。

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