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Theage - metallicity relation AMR provides useful clues about the Galactic formation and evolution.是什么意思？

Theage - metallicity relation AMR provides useful clues about the Galactic formation and evolution.

年龄--金属丰度关系给出了银河系形成和演化的线索.

相关词汇
metallicity relation provides useful clues about the galactic formation and evolution

metallicity

金属性，金属特征；
例句
Theage - metallicity relation AMR provides useful clues about the Galactic formation and evolution.
年龄--金属丰度关系给出了银河系形成和演化的线索.

relation

n. 关系，联系，关联，亲属；
例句
For many software packages, the price bears little relation to cost.
对于很多软件包来说，价钱和成本没有什么联系。

provides

v. 提供，供给，供应( provide的第三人称单数 )，规定，提供[(+for)]，装备；
例句
Simon's book provides a succinct outline of artificial intelligence and its application to robotics.
西蒙的书简明扼要地概括了人工智能及其在机器人技术方面的应用。

useful

adj. 有用的，有益的，有帮助的，令人满意的；
例句
A tripod will be useful to align and steady the camera...
三脚架有助于调准和稳定相机。

clues

n. 线索( clue的名词复数 )，提示，（帮助警方破案的）线索，（纵横填字谜、游戏或问题的）提示词语；
例句
There was a vast distance between psychological clues and concrete proof...
心理提示和确凿证据之间相差甚远。

about

prep. 关于，大约，在…周围；adv. 大约，在附近，在四周，几乎；adj. 在附近的，四处走动的，在起作用的，在流行中的；
例句
The helicopter can zip along at about 150 kilometres an hour.
该直升机能以每小时150公里左右的速度疾进。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；
例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

galactic

adj. 银河的；
例句
The Galactic Dust in Corona Australis: Two blue - reflection nebulae.
南冕座星尘内,两个星云焕发着梦幻般的蓝色光辉.

formation

n. 形成，构成，结构，形成物，编队，队形；
例句
The Prime Minister resigned today, clearing the way for the formation of a new government...
首相今天的辞职为新政府的组建扫清了道路。

and

conj. 和，与，而且，于是，然后，因此；
例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

evolution

n. 演变，进化，发展；
例句
...the evolution of plants and animals.
动植物的进化
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
相关例句
Bears often hibernate in caves.
熊常在山洞里冬眠.
He hung the lion's head as a trophy.
他把那狮子头挂起来作为狩猎纪念品。
Oh ! One doesn't blurt these things out to people.
噢,这种事情可不能随便跟人说的.
People should not hesitate to contact the police if they've noticed anyone acting suspiciously...
如果发现形迹可疑的人，应该马上报警。
She decided to do a secretarial course...
她决定修一门文秘课程。
Vamp fabrics uses leather of high quality complete grain and costly goatskin.
鞋面面料采用高品质全颗粒皮革和奢华的山羊皮.
Pun - type: quipped, both out products, but also has other meaning.
双关型: 一语双关, 既道出产品, 又别有深意.
The motorboat put on speed as soon as it left the pier.
汽船一离开码头就加快了速度.
It is past my ability.
这是我力所不及的。
This metal tarnishes easily.
这种金属易变色.