查询词典 bifocals

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

Occasionally, children who have crossed eyes may need to have bifocals to help control the crossing.

偶尔有内斜视的孩子会需要双光镜来控制内斜。

Nowadays, these glasses are known as bifocals.

如今，这些眼镜被称作双光眼镜。

No history of spectacles would be complete without some mention of Benjamin Franklin, who invented bifocals in the 1780s.

如果不提到在17世纪80年代发明双光眼镜的Benjamin Franklin，眼镜的历史将是不完整的。

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。

Does my child need bifocals?

我的孩子需要双光镜吗？

No history of spectacles would be complete without some mention of Benjamin Franklin, who invented bifocals in the 1780s .

如果沒有 Benjamin Frankin 在1780年代發明的遠近視兩用眼鏡，那么這個歷史的奇跡也將不能畫上圓滿的句號。

Our product range includes CR-39 lenses, round top bifocals, flat top bifocals, 1.523 mineral lenses, photochromic lenses, and sunglasses.

我们的产品包括铬39镜片，圆顶双光眼镜，平顶双光眼镜，1.523矿产镜片，变色镜片，太阳眼镜。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐