该图像突出了星系的结构：一个微妙的，围绕着一个明亮的红色隆起核，并联运行的尘埃带星蓝盘，以及一个透明的外晕。
The image highlights the galaxy's structure: a subtle, reddish bulge surrounding a bright nucleus, a blue disk of stars running parallel to the dust lane, and a transparent outer halo.
那里的确也有除了写稿子外的赚钱机会，但我建议你有一份可观收入之前别碰那些额外的“商机”，那只会搞晕你。
They do offer way more than just payment for articles, but I suggest until you earn some decent money, skip their extra opportunities. They will only confuse you.
针对R-C系统的特点，考虑轴外渐晕的影响，推导出主、次镜内遮光罩尺寸设计的约束公式。
The constraint formulas for designing the geometries of primary baffle and secondary baffle are deduced when taking account of vignette of R-C system.
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