例句與造句

1. It uses a small scattering surface, special coatings and small size projections to reduce its radar signature.
2. Although the last scattering surface is not at any fixed comoving coordinate, the current recession velocity of the points from which the CMB was emitted is 3.2c.
3. Highly scattering surfaces are described as being dull or having a matte finish, while the absence of surface scattering leads to a glossy appearance, as with polished metal or stone.
4. :You can think of the shape of the last scattering surface as due to time dilation particles near the edges of the diagram are moving faster, so they take longer to do anything, including cooling down.
5. Such a Doppler effect arises because the Sun, and in fact the Milky Way as a whole, is not stationary, but rather is moving at nearly 600 km / s with respect to the last scattering surface.
6. It's difficult to find scattering surface in a sentence. 用scattering surface造句挺難的
7. However I'm confused-if the big bang bubble was of finite size at the moment of transparency, then surely at some time in the future, we will observe the CMBR from the " last " scattering surface.
8. Bielewicz et al . claims to establish a lower bound of 27.9 gigaparsecs ( 91 billion light-years ) on the diameter of the last scattering surface ( since this is only a lower bound, the paper leaves open the possibility that the whole universe is much larger, even infinite ).
9. That the CMB appears to be at a higher temperature on one side of the sky than on the opposite side, referred to as a dipole pattern, has been explained as a Doppler effect of the Earth's motion relative to the area of CMB emission, which is called the last scattering surface.
10. The distance to the last scattering surface, where the CMB radiation originates, is the same for both patches and known, hence we can convert the observed angular separation to the absolute distance between those patches at the time of emission and compare that to the size of the horizon at the time ( which we compute as an absolute size ).