但是，假设距离我们仅有4.3光年远的一颗系外行星上，有一头徜徉漫步的大象，我们如果要拍到它，也得使用一个直径有太阳那么大的望远镜。
But it would take a telescope with the effective diameter of the sun to actually take photographs of something the size of an elephant strolling on an exoplanet only 4.3 light-years away.
自从斯隆数字巡天于2000年开始工作，头几个星期它在新墨西哥州的望远镜收集到的数据量就超过了整个天文学历史的积累数据量。
WHEN the Sloan Digital Sky Survey started work in 2000, its telescope in New Mexico collected more data in its first few weeks than had been amassed in the entire history of astronomy.
他们在线购买二手实验室设备，把网络摄像头转换成10美元的显微镜和在他们的腋下培养遗传改良的Escherichiacoli 。
They buy used lab equipment online, convert webcams into US$10 microscopes and incubate tubes of genetically engineered Escherichia coli in their armpits.
他通过望远镜看到了一头四处觅食的饿狼。
宗祠装饰简单大气，柱础古镜式，宗祠立面为板筑泥墙，出檐还有明式勾头滴遗存。
Hall decoration simple atmosphere, zhuchu ancient mirror, ancestral hall facade board building walls, eaves and Ming hook head drop remains.
在蓝光光盘光学头设计过程中，光学系统的设计，有举足轻重的作用，特别是准直镜的设计。
During the design process of Blu-ray disc optical pick-up, the optical system and the collimator lens design is especially important.
但从里面拍摄的镜头来看，反光镜离他的头很远，有很大的空间距离。
But when we see shots from inside the robot, there is plenty of room around his head and we don't see the mirror.
硬件系统主要由显微放大镜、CCD黑白摄像头和计算机组成；
The hardware structure is mainly put up of the microscopical magnifier, a black and white CCD vidicon, and computer.
以及冷光源头灯放大镜颅脑手术头架系列产品。
And the cold light source lamp magnifying glass products neurosurgical head frame.
本文设计了一套蓝光光学读取头的光路系统，包括用于光束处理的准直镜，整形棱镜，还有用于信号探测的柱面镜。
This paper designs an optical system and some lenses for the BD OPU, including collimator lens, beam shaping lens for laser beam shaping, and cylinder lens for signal detecting.
通常，外科医生在皮肤上作两个小口，通过一个切口放入关节镜，这是装有小摄像头的细管，可以在显示屏上展现动态图像。
The surgeon typicallys two small openings in your skin. An arthroscope is placed through one opening. This device is a camera attached to a thin tube. It shows live images on a monitor.
哈勃望远镜新装的摄像头观测到木星表面大气扰动，据估计可能受是彗星或者小行星影响。
Hubble has trained its new camera on the atmospheric disturbance on Jupiter believed to have been caused by a comet or asteroid impact.
该系统主要由同轴显微镜、CCD摄像头、检测平台、图像采集卡和计算机组成。
The system chiefly consists of a confocal microscope, a CCD camera, testing stages, image grab card and a computer.
系统由干涉显微镜、数字CCD摄像头和计算机组成。
The system consists of an interference microscope, a digital CCD video camera and a computer.
结果超声内镜下胰头癌主要表现为边界不清晰（22/32）的低回声（21/32），伴有胆总管和胰管的扩张（19/36）、血管的侵犯（26/32）；
The tumor displayed the character of low echo (21/32), obscure boundary(22/32), vascular invasion (26/32), pancreatic duct and common bile duct dilation (19/36).
保存你的钱包，太阳镜，个人技术，小化妆盒，和一个摄像头。
Holds your wallet, sunglasses, personal technology, small cosmetic case, and a camera.
用管路镜(内窥镜)或强烈推荐的视频棒如我的PRO -Vision摄像头，你可以从多角度看到放大近影。
With a borescope or, preferably, a video stick like my Pro-Vision camera, you can see close up and from many angles.
四个发光二极管和CMOS摄像头可以维持的时间是激光的两倍，先进的旋转镜技术和定位方法也融合在此传感器中，公司相关负责人这样说道。
Four LEDs and CMOS camera last twice as long as lasers and rotating mirror technology used in competitive sensors and positioning methods, according to the company.
经通道放置外科手术光源和小摄像头或显微镜，便于外科医生观察椎间盘。
A surgical light and small camera or microscope placed through the tube to allow the surgeon to view the disc.
这种技术，一般只需在手术部位做3个8毫米的小孔，放入比筷子头还要细的关节镜探头，所到之处都会在电视屏幕上显示。
This technique is generally done only in the surgical site 3 8 mm holes, into even smaller than the head of chopsticks arthroscopic probe, Everywhere will be displayed on the TV screen.
在导弹导引头红外跟踪系统中，抛物面反射镜是其中的重要部件，因而对其装配和测试提出了很高的要求。
In the missile seeker infrared tracking system, the parabolic mirror is one of the important components. Thus the very high demand is put forward to its assembly and test.
方法24例胰头癌标本应用手术显微镜法寻找淋巴结，并进行详细的分组。
Methods Operative microscopy was applied in 24 cases after radical surgery of the pancreatic head cancer to find lymph nodes.
方法 肉眼观察虫体，镜下观察头节和孕节形态。
Morphology of the scoleces and gravid proglottids was observed under microscope.
半透半反镜位于电子摄像机和拾取头之间；
Wherein, the semi-transparent mirror is mounted between the electron camera and the pick-up head;
半透半反镜位于电子摄像机和拾取头之间；
Wherein, the semi-transparent mirror is mounted between the electron camera and the pick-up head;
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