语文书 / 例句 /

造父变星是一种光线按规律周期发生变化的恒星.用英语怎么说？

造父变星是一种光线按规律周期发生变化的恒星.

Cepheid variable stars are stars whose brightness changes at regular periods.

相关词汇
cepheid variable stars are whose brightness changes at regular periods

cepheid

造父变星；

variable

adj. 变化的，可变的，[数]变量的，[生]变异的；n. 可变因素，变量，易变的东西；

stars

abbr. specialized training and reassignment students 经过专门训练后再分配的学生，stationary automotive road stimulator (Toyota) 汽车公路固定刺激物（丰田汽车）；n. 星( star的名词复数 )，明星，（尤指旅馆或餐馆的）星级，星象（根据人出生时天体的位置而描述的命运）；

are

vi. （用于第二人称单复数现在时，第一、三人称复数现在时）是；n. 公亩（等于100平方米）；

whose

pron. 谁的，那个人的，那些人的，他的，他们的；

brightness

n. 亮度，明亮，光泽度，灯火通明；

changes

n. （会令人感兴趣或可喜的）变化( change的名词复数 )，换车，辅币，变迁；

at

prep. （表示位置）在，在（某时间或时刻），以，达， 向，朝；n. 阿特（老挝辅币单位，100 阿特 = 1 基普）；

regular

adj. 有规律的，规则，整齐的，不变的，合格的；n. 正规军，主力（或正式）队员，常客；adv. 定期地，经常地；

periods

n. 周期，时期( period的名词复数 )，（一段）时间，学时，句号；
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。
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。
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。
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
They slowly moved from upstage left into the centre.
他们慢慢地从舞台后方的左侧移至正中。
The temperature in this room is twenty degrees centigrade.
这个房间里的温度是摄氏20度.
Costs have been cut by 30 to 50 per cent.
成本降低了30%到50%。
The cephalic veins are sometimes difficult to isolate.
部分患者分离头静脉存在困难。
Objective : To assess the usage of color doppler monitoring method in the centesis of kidney cysts.
目的: 探讨和分析彩色多普勒监测在肾囊肿穿刺治疗的应用.
Casing centralizer with double bow spring blade is modified from single bow.
使用最普遍的是单弓形弹簧片套管扶正器.
One authority made a census of the spiders in a grass field in the south of England, and he estimated that there were more than 2,250,000 in one acre.
一位权威对英国南方一块草坪上的蜘蛛作过统计, 他估计每英亩有2,250,000多只蜘蛛.
The molecule is centrosymmetric.
该化合物分子是中心对称.
During right LPN, the liver is retracted anteriorly and cephalad to expose the renal upper pole.
在右侧LPN中, 肝脏应在头侧的前位而暴露肾上极.
The plant uses the carbohydrates to make cellulose.
植物用碳水化合物制造纤维素.
All purchasing has been centralized in our office.
所有采购业务都已集中在我们办公室.
Relax pressure and tired , balance centrum nerve.
舒缓精神紧张,减缓工作压力平衡中枢神经.
The news reports had been heavily censored .
这些新闻报道已被大幅删剪。
Diagnosis Bronchiolitis obliterans organizing pneumonia ( BOOP ) resulting from respiratory infection, presenting with centrilobular nodules.
诊断:感染后BOOP, 出现小叶中心型结节.