class o造句

It was then resolved into seven Wolf-Rayet and class O stars.
Nine express Class O locomotives with six wheeled tenders were built by Kitsons in 1888.
Low luminosity late class O stars should commonly produce bow waves if this model is correct.
No massive star remains with spectral class O for more than about 5 6 million years.
"' WR 9 "'is a spectroscopic binary in the constellation class O star.
It's difficult to find class o in a sentence. 用class o造句挺难的

These locomotives were added to class O-19 in 1953 when they were renumbered CN 7542 and 7543.
As well as the classes O through M, P was used for nebulae and R and N for carbon stars.
The transition from class O to class B was originally defined to be the point at which the He II ?4541 disappears.
In M31, 16 yellow supergiants were found that were likely to have evolved from around 25, 000 class O stars.
It has been suggested that the companion is a class O star, but its lines cannot be seen in the spectrum.
Alcatel, Paris, an initial public offering of 16.5 American depository shares, each representing one common class O share.
Alcatel SA, Paris, an initial public offering of 16.5 American depository shares, each share representing one class O share.
When the MKK classification scheme was first described in 1943, the only subtypes of class O used were O5 to O9.5.
There are also three Wolf-Rayet stars, an O4 supergiant, many other class O stars, and the unique ? Carinae itself.
USRA Light Mikados ( Maine Central class O 4-6-0s handled local trains and ( often in tandem ) provided helper service.

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