眼镜

No one before had thought of bifocal glasses.

以前没人想过会有两个焦距的眼镜

His numerous scientific and practical innovations include the lightning rod, bifocal spectacles, and a stove.

他的众多的科学发明包括避雷针、双焦点的眼镜和暖炉

He also made the first pair of bifocal glasses and invented a musical instrument called the glass harmonica and the stepladder chair.

他还制造了世界上第一副双光眼镜，发明了一种乐器一一玻璃琴和活动梯凳。

He also made the first pair of bifocal glasses and invented a musician instrument called the glass harmonica and a stepladder chair.

他还制造了世界上第一副双光眼镜，发明了一种叫玻璃琴的乐器和活动梯子。

Through evolving technology ABBA developed four Aspheric Multifocals, three Translating Bifocals and a hybrid aspheric translating bifocal.

通过不断的技术开发4利群非球面Multifocals，三个翻译双光眼镜和混合双焦非球面翻译。

The most common way is to change glasses with magnifying lenses and stronger bifocals.

最常见的方法是改变眼镜，放大镜镜头和更有力的

I rang the bell, and a geeky, middle-aged man in bifocals stuck his head around the door.

我按响了门铃，一个头上架着变焦眼镜，看起来一付科技痴汉模样的中年男子从门后探出头来。

Nowadays, these glasses are understandn as bifocals.

如今，这被称为双光眼镜。

Not until she shifted her bifocals did she notice the handwriting, which read: Paid in Full -- Gregory Zolton, D.

直到她推动双光眼镜的时候才注意到一行字：已全额付清--兽医学博士格雷戈里。

Not until she shifted her bifocals did she notice the handwriting , which read: Paid in Full--Gregory Zolton, D, V.

直到她推动双光眼镜的时候才注意到一行字：已全额付清——兽医学博士格雷戈里·佐尔顿。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。