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- The spiral nebulae are impressive objects. 旋涡星云是迷人的天体。
- Good spectra of the spiral nebulas are difficult to obtain because of their extreme faintness. 旋涡星云因为非常暗，难以得到它们的清晰的光谱。
- With its six-foot-diamater primary mirror, the telescope allowed Rosse to discover the first spiral nebulae. 由于它具有直径6英尺的主镜，这台望远镜让罗斯发现了第一个螺旋星云。
- By the 1920s, they began to realize that what appeared as the spiral nebulae consisted of remote stellar systems millions of light-years away. 到了20年代，他们开始认识到，那些看来象是旋涡状星云的东西是由几百万光年以外的遥远星系组成的。
- M101 was also one of the original spiral nebulae observed by Lord Rosse's large 19th century telescope, the Leviathan of Parsontown. M101也是19世纪罗斯爵士的大型望远镜最初发现的旋涡星云之一，该望远镜曾是帕森镇的巨兽。
- Solar system originated as a result of double spiral nebula synthesis 太阳系起源双螺旋星云复合成因说
- Was the philosopher who refused to look through Galileo's telescope more culpable than those who alleged that the spiral nebulae observed with Lord Rosse's great telescope in the eighteen-forties were scratches left by the grinder? 不愿用Galileo望远镜去观察天空的哲学家,难道比19世纪40年代的有些人更应受到谴责吗?当时,这些人断言用Rosse勋爵的大型望远镜观察到螺旋形星云只不过是研磨工留在镜片上的痕迹罢了。
- Military budget continue to spiral. 军费预算继续上升。
- Military budgets continued to spiral. 军事预算继续急遽增加。
- A snail's shell is spiral in form. 蜗牛壳是螺旋形的。
- The spiral nebulae are impressive objects 旋涡星云是迷人的天体。
- spiral nebulan. [天]螺旋星云;旋涡星云
- Its remnants form the Crab Nebula. 它的残余物组成了蟹状星云。
- Of, relating to, or characteristic of a nebula. 星云的关于或类似星云的
- Extragalactic nebula is invisible to the naked eye. 我们用肉眼是看不到河外星系的。
- A large spiral brass tuba that fits around the player's shoulder. 海力空大号，圈形大号由演奏者掮在其肩上吹奏的大型螺旋状铜号
- Taiyuan Nebula Welding Equipment Co., Ltd. 太原市星云焊接设备有限公司。
- A circular or spiral motion, especially a circular ocean current. 游涡一种圆形或螺旋形的运动，特别是做圆环运动的海水水流
- Yes! Perhaps this is the nebula charm in it place! 是呀!也许这就是星云的魅力所在之处吧!
- The Trifid Nebula is about 40 light-years across. 三叶星云跨度约40光年。
