查询词典 refractors

By 1933 Zeiss had manufactured several proven refractors of the "E","A" and "AS" achromatic doublet designs, and apochromat triplets of the "U.V."

1933年，蔡司生产了"E"，"A"和"AS"等几款使用消色差镜头设计，并经过实际使用验证的折射望远镜，还有"U.V。"

These are the largest fluorite apochromatic refractors available in the world.

这是世界上最大的APO折射镜了。

Apochromatic refractors are available with objectives of up to 553mm in diameter, but most are between 80 and 152mm.

高度消色差折光镜的口径已经可以做到553毫米的直径，但多数仍在80～152毫米之间。

Apochromatic refractors''' have objectives built with special, extra low-dispersion materials.

高度消色差折射镜'''使用特别的材料，特别低色散度的材料，来制造物镜。

Takahashi also makes observatory telescopes which include: 350mm hyperbolic astrographs, 300 and 400mm Cassegrains, 200, 250 and 300mm triplet apochromatic refractors and the large EM-3500 mounts to carry them.

高桥也制造天文台用的350mm双曲面镜，300和400mm的Cassegrains， 200，250和300mm的三片APO折射镜以及支撑它们的大型EM-3500赤道仪。

Since their introduction in the early 17th century, refractors have suffered from one major defect: chromatic aberration.

色差是折射式望远镜自18世纪初推广以来所具有的主要缺陷。

Triplets of 36cm with a 30cm "E" objective guidescope for astrographic uses, and numerous smaller refractors of 40cm, 30cm, 25cm down to 6cm achromatic models for use by amateurs and schools.

款36cm口径，还有一个通道是使用30cm &E&型物镜的指引镜，作天体照相或天文定位用途来使用；还有很多小一些口径的折射镜，使用40cm、30cm、 25cm 小到 6cm的消色差镜头型号，供业余爱好者和学校使用。

I did the last ones for a little change and to see how Orthos performed in smaller apertures and refractors.

我也想用更小的折射看看OR的表现到底如何。

My conclusions about Pentax's came from use with high-end refractors as well as reflectors.

我发现PENTAX 不仅适合高端的折射，也适合反射。

Lighting manufacturers use borosilicate glass in their refractors.

照明设备制造商利用硼硅酸盐玻璃的refractors 。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。