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常见镜头的焦距 ( f ) 为625毫米.用英语怎么说？

常见镜头的焦距 ( f ) 为625毫米.

A typical lens has a focal length ( f ) of 625 mm.

相关词汇
typical lens has focal length of mm

typical

adj. 典型的，特有的或特别的，代表性的；
例句
The typical laborer now sits in front of a bank of dials.
现如今，工人通常都是坐在一排仪表前。

lens

n. 透镜，镜头，眼睛中的水晶体，隐形眼镜，汽车的灯玻璃；
例句
The camera has a 32mm lens with a maximum aperture of f/4.5 and a fixed shutter speed of 1/100sec.
这架相机有一个32毫米的镜头，最大孔径为f/4.5，固定快门速度为1/100秒。

has

v. 有( have的第三人称单数 )，（亲属关系中）接受，拿，买到；
例句
...the operation a patient has had.
病人做过的手术

focal

adj. 焦点的，有焦点的，集中在点上的，病灶的，病灶性的；
例句
...the focal plane of the telescope.
望远镜的焦平面

length

n. 长度，长，时间的长短，（语）音长，一段，一节；
例句
It is against the law to detain you against your will for any length of time...
无论强制扣押多长时间都属违法。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；
例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

mm

abbr. =megameter，=millimeter，=millimicron；
例句
Riyadh got 25 mm of rain in just 12 hours...
利雅得在12小时内降水就达25毫米。
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
...a stream of spiteful telephone calls.
一连串恶意电话
He sat with his head buried in his hands as his sordid double life was revealed...
自己卑鄙的双重生活被揭穿后，他双手抱头坐在那里。
She looked rather strained and miserable.
她看起来紧张而痛苦。
...a cosy chat between friends...
朋友间亲切的闲聊
They rejected a demand for the removal of all nuclear weapons from UK soil.
他们拒绝了将所有核武器从英国国土上撤除的要求。
The rent collector is pressing for payment again.
收租人又来催促交租了。
...a revealing interview.
揭秘访谈
Acute myocardial infarction ( AMI ) is one of the most common cardiovascular emergencies.
急性心肌梗死 ( AMI ) 是人类最常见的心血管急症之一.
Please help your mother to clear away.
请帮你母亲把餐桌上的东西收掉。
She warned me that I'd never marry or have children.—'I don't want either.'
她告诫我千万不要结婚，也别要孩子。——“这两样我都不想要。”