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There are 5 stages during the development of embryo, including the stage of 2-celled proembryo, multicellular proembryo, globular proembryo, pyriform proembryo, differential embryo and mature embryo.

胚胎发育经过二原胚、原胚、球形原胚、梨形原胚、分化胚和熟胚阶段。

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We also describe the basic principle of white dwarf cosmochronology and its application in defining the age of the Galactic disk, globular clusters, open clusters and Galactic halo.

介绍了白矮星宇宙纪年的基本原理及其在银盘、球状星团、疏散星团以及银晕年龄确定方面的应用现状。

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Crash Course 天

Globular clusters were a good clue that there was more going on.

球状一个很好的线索,说明还有更多的秘密等待着我们去发掘。

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Crash Course 天

Open, or galactic clusters, and globular clusters.

开放或疏散及球状

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国家地理选编

In addition, Scott included another layer of signposts: pulsars in globular clusters orbiting the Milky Way.

此外,斯考特还查了另一层路标:绕行银河系的球状里的脉冲

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Crash Course 天

We know this because in most globulars, the MOST massive stars are LESS massive than the Sun.

我们之所知道这一点,因为在大多数球状中,质量最大的恒质量都比太阳的质量小。

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经济学人-

“We don't know everything, but that doesn't mean we know nothing, ” reminds a globular character on a few occasions.

“我们不什么都懂,但这不意味着我们什么都不懂。”

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Crash Course 天

Because globular stars lack heavy metals, it's unlikely they would've formed planets like Earth.

因为球状恒缺乏重金属,它们不太可能形成像地球这样的行

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Crash Course 天

Globular clusters are larger, have hundreds of thousands of stars, and are more spherical.

球状更大,有几十万颗恒,而且更像球状。

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奇思妙想科学站

First of all, the stars in a globular cluster aren't exactly like our good old Sun.

首先,球状中的恒并不像我们善良的老太阳。

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Crash Course 天

The stars in globular clusters tend to have less heavy elements in them too, which you expect if they're old.

球状中的恒往往含有较少的重元素,如果它们很老的话,这所期望的。

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国家地理选编

Ancient clumps of stars that predate the Milky Way, globular clusters are gorgeous and mysterious, and they are veritable millisecond pulsar factories.

球状比银河系更古老的恒,既美丽又神秘,而且简直制造毫秒脉冲的工厂。

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科学60秒-科学美国人 2021年8月合集

Natarajan: If those globular clusters like Pal 5 are further littered with black holes, the inventory just explodes, basically.

Natarajan:如果像 Pal 5 这样的球状进一步散布着黑洞,基本上,存量就会爆炸。

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Crash Course 天

Speaking of which, most of the globular clusters orbiting the Milky Way are in the halo.

说到这,大部分环绕银河系的球状都在光晕之中。

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寂寞芳心(上)

The globular young man, red with annoyance, had torn himself from his family and was hastening across the room to her.

圆圆的年轻人气得满脸通红, 他从家人身边挣脱出来, 急忙穿过房间向她走去。

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Crash Course 天

It's producing so many stars that astronomers think it may be in the process of forming a globular cluster!

它产生了如此多的恒至于天学家甚至认为它可能正在形成球状的过程中!

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海底两万里(原版)

From its mass of greenery, huge globular fruit stood out, a decimeter wide and furnished on the outside with creases that assumed a hexangular pattern.

的青绿丛中,垂下粗大的球形果子,约一分米大,外表凹凸不平,好像六角形。

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Crash Course 天

Such collisions are extremely rare in space, but the stars are so tightly packed in globulars that collisions are more common.

这样的碰撞在太空中极为罕见,但球状中的恒非常紧密地聚集在一起,因此碰撞更为常见。

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Crash Course 天

Despite being larger than open clusters, globulars have more stars and are denser, which is one reason they live longer than open clusters.

尽管球状比开放大,但球状拥有更多的恒,密度更大,这它们比开放寿命更长的原因之一。

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寂寞芳心(上)

Across the room sat the globular lady she had encountered that morning, and beside the globular lady sat a round-headed, round-bodied girl; her daughter, at first glance.

房间对面坐着她那天早上遇到的球状女士,球状女士旁边坐着一个圆头圆身的女孩。她的女儿,乍一看。

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Crash Course 天

They form a roughly spherical shape, hence the term globular, and generally have a well-defined core with stars scattered around them in a halo that fades away with distance.

它们大致呈球形,因此有“球状”一词,通常有一个明确定性的核心,恒分散在它们周围,形成的光环随着距离的增加而逐渐消失。

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一个叫欧维的男人决定去死

She's standing in the opening to the living room with her hands on her globular stomach, balancing it in front of her as if it were a large laundry basket.

她站在客厅门口,双手捧着圆鼓鼓的大肚子,就像吃力地捧着一筐脏衣服保持平衡。

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