A device for converting heterogeneous beam of radiation to homogeneousbeam by absorption or refraction of unwanted components.
利用吸收或折射掉不需要的成分，把非单色光束变成单色光束的装置。
2
Degenerate results for the special case of an isotropic homogeneous elastic beam are coincided well with the existing analytical solutions.
该解退化到各向同性均匀弹性情况时与已有的理论解相一致。
3
This technology realizes integral tension and relaxation to ensure the homogeneous deformation of steel cable, so that the construction speed is enhanced and the quality of beam end is ensured.