annular
adj. 环形的,有环纹的
2025-10-30 21:54 浏览次数 6
adj. 环形的,有环纹的
annular wire环形线
annular gap环状间隙
annular gear[机] 内齿轮;环形齿轮
annular nozzle[航]
annular burner环形燃烧室
annular eclipse日环食;环蚀
annular borer环孔镗床
annular pressure环空压力
annular bit[木]
annular space环隙;[矿业] 环形空隙
annular clearance环空间隙
annular phasing圆周相位角
annular flow[流] 环状流
annular drainage环形排水系统;环状水系
the moon passes between the sun and the earth during an annular solar eclipse in chongqing municipality, january 15, 2010.
2010年1月15日,重庆直辖市,日环食过程中月亮运行到地日之间。
for the first category, we consider the boundary flow as an annular zone completely isolated from mixing with the main flow environment.
对于第一个范畴,我们把边界看作是完全隔离的环形区域,并不与主流环境相混合。
viewers as far north as greece were able to see a partial eclipse during the january 15, 2010, annular eclipse.
在希腊北部的观测者可在2010年1月15日日环食时看到日偏食。
an annular eclipse occurs when the moon does not cover the entire disc of the sun so that a ring of light encircles the shadow of the moon.
当月亮不能完全遮住太阳时,月亮影子的周围就会有一圈亮光,日环食就发生了。
during an annular eclipse, the moon covers only the central part of the sun「s disk, leaving a ring of sunlight still visible.
在日环食发生的时候,月亮仅仅遮挡住了太阳光晕的中间部分,在外侧留下一圈可见的光环。
chen said the annular eclipse will end at jiaodong peninsula in china.
程卓称日环食将在中国的胶东半岛结束。
the auricular cartilage supports the vertical canal while the horizontal canal, coursing medially and distally, is surrounded by annular cartilage.
耳廓软骨支撑着垂直耳道,而在远侧居中分部的水平耳道则由环形软骨包围。
as the moon blocked just the central portion of the sun, people looking skyward would have seen a fiery ring around the moon’s perimeter, what is known as an annular eclipse.
当月亮正好阻挡住太阳中心的一部分,人们会看太阳像燃烧的圆环环绕在月球的周边,这就是日环食。
according to astronomical websites, the last annular eclipse occurred roughly one year ago on january 26, 2009.
根据天文网站介绍,上次日环食短暂的发生在2009年的1月26号。
see annular eclipse pictures.
详见日环食图片。
it is this effect that leads to the difference between total and annular eclipses.
正是这个原因导致了日全食和日环食的区别。
this particular planetary nebula, pictured above and designated shapley 1 after the famous astronomer harlow shapley, has a very apparent annular ring like structure.
上图中的行星状星云叫做shapley1以着名天文学家harlowshapley的名字命名,它有非常明显的环状结构。
thus, annular disruption with a discrete leakage of nucleus pulposus material in the spinal canal, with no visible herniation, could be sufficient to induce symptoms of sciatica.
因此,在椎管内,纤维环的破裂与少量髓核组织的突出,不会见到明显的突出,但足以诱发坐骨神经痛的癥状。
such events, which only blot out the middle of the sun, are known as annular eclipses.
像这样,太阳中部被遮盖的天象,就叫做日环食。
in annular space, the values of tangential, axial and radial turbulence intensity were of the same order of magnitude.
环形空间3个速度分量的湍流度是同一个数量级的。
people use photographic film strips to observe an annular eclipse near the kibera slums in kenya」s capital nairobi, january 15, 2010.
2010年1月15日,肯尼亚首都内罗毕,基贝拉贫民窟附近,人们用相片底片条来观察日环食。
people use solar viewers to view an annular solar eclipse at the nehru planetarium in mumbai january 15, 2010.
2010年1月15日,孟买,尼赫鲁天文馆(译注:尼赫鲁为印度前总理),人们用太阳观测镜观赏日环食。
the flow field of double-row annular cascades of hydraulic turbines is studied by means of digital analysis in combination with model tests.
采用数值分析与模型实验相结合的方法,对水轮机导水部件双列环列叶栅流场进行了分析研究。
solves the problem of boundary value on an annular crack by using the nonlocal stress solution of an axisymmetric crack problem and approximative method of series expansion.
利用已得到的三维轴对称问题的非局部弹性应力的解,采用级数近似展开的方法,求解环状裂纹的边值问题。
our factory hob phyletic annular gear hob, such hob, spline bob, before shaving, and cut the hob top hob, sprockets hob, also produce all kinds of worm and worm.
我厂生产的滚刀种类繁多比如环形滚刀、蜗轮滚刀、花键滚刀、剃前滚刀、倒角以及切顶滚刀、链轮滚刀、同时也生产各类蜗桿与蜗轮。
nasa says the annular eclipse of the sun began in africa and passed through the indian ocean, where the maximum duration of annularity reached 11 minutes and 8 seconds.
据美国宇航局介绍,今天可见的日环食始于非洲,在印度洋时间最长,持续11分8秒。
they have an annular groove and lubrication hole in the outer ring to ensure efficient lubrication.
这些组件在外圈上有环形槽和润滑孔,确保有效润滑。
what is an annular eclipse?
什么是日环食?
a man uses a photographic film strip to observe an annular eclipse near the kibera slums in kenya's capital nairobi, january 15, 2010.
2010年1月15日,肯尼亚首都内罗毕,基贝拉贫民窟附近,一个男子用相片底片条来观察日环食。
circular通知,传单