查询词典 unaided eye

Electromagnetic radiation that has a wavelength in the range from about 4,000 to about 7,700 angstroms and may be perceived by the normal unaided human eye.

光，可见光：波长在4，000埃或7，700埃之间的电磁辐射，能被人的普通肉眼看见

" Colloid : Substance consisting of particle s that, although too tiny to be seen with the unaided eye (typically 1 nanometre to 10 micrometres), are substantially larger than atoms and ordinary molecules and that are dispersed in a continuous phase."

胶体：由比原子或普通分子大得多，但远小于肉眼可见的微粒组成的物质。这种粒子的大小大约在10-7～10-3公分，并且以各种方式连接或键合在一起。

" Colloid : Substance consisting of particles that, although too tiny to be seen with the unaided eye (typically 1 nanometre to 10 micrometres), are substantially larger than atoms and ordinary molecules and that are dispersed in a continuous phase."

胶体：由比原子或普通分子大得多，但远小于肉眼可见的微粒组成的物质。这种粒子的大小大约在10-7～10-3公分，并且以各种方式连接或键合在一起。

" Colloid : Substance consisting of particles that, although too tiny to be seen with the unaided eye (typically 1 nanometre to 10 micrometres), are substantially larger than atoms and ordinary molecules and that are disperse d in a continuous phase."

胶体：由比原子或普通分子大得多，但远小于肉眼可见的微粒组成的物质。这种粒子的大小大约在10-7～10-3公分，并且以各种方式连接或键合在一起。

Alsovisible to the unaided eye from dark sky areas, it was cataloged in 130BC by Greek astronomer Hipparchus.

它们能在黑暗的夜空中被肉眼看到，公元前130年希腊天文学家希帕克就记录了它们。

Located some 7,000 light-years away toward the constellation Perseus, this pair of open or galactic star clusters really is visible to the unaided eye and was cataloged in 130 BC by Greek astronomer Hipparchus.

这对疏散星团位在英仙座内，距离我们约有七千光年远，因为肉眼就得见，所以远在西元前130年希腊天文学家伊巴谷斯就编录了它们。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。