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- To the right of the North America Nebula, cataloged as NGC 7000, is a less luminous nebula that resembles a pelican dubbed the Pelican Nebula. 北美星云的編號為NGC 7000,它的右邊是一個(gè)更暗的星云,它形似鵜鶘,所以被稱(chēng)為鵜鶘星云。
- The luminous intensity on unit area. 單位面積上的發(fā)光強度。
- You can see nebulae in the clear summer sky. 在晴朗的夏夜可以看到天上的星云。
- There are many luminous road signs along the roads. 沿著(zhù)路有許多夜光路標。
- luminous nebula 亮星云
- A luminous spot on a lunar halo. 幻月,假月月暈上的光斑
- The spiral nebulae are impressive objects. 旋渦星云是迷人的天體。
- His prose is simple and luminous. 他的散文簡(jiǎn)明易懂。
- Bright sunray dial with luminous index and hands. 光亮的表面,映著(zhù)銀色的指針,有一種璀璨的感覺(jué)。
- High luminous efficacy, average life-span 8000 hrs. 高光效,長(cháng)壽命,平均壽命長(cháng)達8000小時(shí)。
- Its remnants form the Crab Nebula. 它的殘余物組成了蟹狀星云。
- Luminous intensity expressed in candelas. 燭光用坎德拉表示的光強度單位
- Of, relating to, or characteristic of a nebula. 星云的關(guān)于或類(lèi)似星云的
- The condition or quality of being luminous. 發(fā)光能發(fā)光的狀態(tài)或特征
- Extragalactic nebula is invisible to the naked eye. 我們用肉眼是看不到河外星系的。
- And he made an important discovery about nebulae. 關(guān)于星云,他做出了重大發(fā)現。
- Around the cluster is a huge vague diffuse nebulae. 圍繞該星團的是一個(gè)巨大的模糊的彌漫星云。
- The eyes grew larger and more luminous. 眼睛越來(lái)越大,越來(lái)越亮。
- These reactions are not luminous. 這些反應是不發(fā)光的。
- They painted the door a luminous green. 他們把門(mén)漆成了翠綠色。