嫦娥四号是历史上第一个成功登陆月球“暗面”的月球探测器。
Chang'e 4 is the first lunar probe in history that has successfully landed on the "dark" side of the moon.
嫦娥四号月球探测器在月球背面(暗面)降落并轻轻地着陆,揭开了人类太空探索历史的新篇章。
Chang'e 4 lunar probe landed on the moon's far side (dark side) and softly touched down, which opened a new page in history of mankind's space exploration.
另一方面,如果一地外的无线电信号能被探测到,那就将会是一个更为清晰且令人兴奋的时刻。
If, on the other hand, an alien radio signal were to be detected, that would constitute a more clear-cut and exciting moment.
一方面,噪音将使他们探测引力波的努力化为泡影,另一方面,它代表着一个更基础的发现。
One on hand, the noise will handicap their attempts to detect gravitational waves. On the other, it could represent an even more fundamental discovery.
这架名为“智能1号”的探测飞船的撞月速度为每秒2公里。按照此速度,这次撞击预计会在月球表面留下一个直径3米、深10米的坑,而且会在月面激起几公里高的尘埃。
Hitting at 2 kilometers per second, the impact of the SMART-1 spacecraft was expected to leave a 3-meter-by-10-meter crater and send dust kilometers above the surface.
当太阳的自转使这个波浪形间隔面扫过地球时,我们就会探测到磁场极性的突然反转。
When the sun's rotation sweeps this warped surface across the earth, we detect sudden changes in the polarity of the magnetic field.
光栅仍然会使得稍后会在面阵CCD探测器上聚焦的光线分散。
Again, the grating disperses the light, which is then focused onto the CCD-array detector.
提出了一种新颖的直接体积CT扫描结构,即采用面状扫描与点状探测的倒置扫描结构。
This paper proposed a novel scanning structure of direct volume ct, which ADAPTS planar scanning and point detecting, called reverse geometry volume ct.
系统采取调制光源作为探测信号,采用光敏二极管面阵作为接收组件,大大提高了系统的灵敏度和抗干扰能力。
Modulated light is used as detecting signal in this system, photodiode area array is used as receiving module, which greatly improves the sensitivity and anti-interference ability of the system.
本文提出一种新型的用于四象限探测的光学系统,该系统可以用点探测器代替面探测器。
This paper presents a new optical system used for quadrant detection, in which point detectors, rather than area detectors, can be used.
若配合利用瑞利波探测法探测断裂面,可以对小断层的产状、性质、位置、断距进行准确预报。
With associated Rayleigh Wave Method to detect fracture plane, the attitude, character, position and displacement of small magnitude fault can be forecasted accurately.
本文给出了圆面探测器对圆面源的几何因子的一元积分形式。
The solid angle for a disc source parallel to a disc detector has been determined using a one dimension integral.
利用成都市似大地水准面模型探测和分析了两个传统高程控制网中可能存在的系统偏差。
The systematic bias of the two traditional vertical network was detected and analyzed by use of Chengdu quasi-geoid.
对磁谱仪和焦面探测器的联合系统的离子鉴别方法予以较详细的讨论。
The detailed descriptions are made for the particle identification of the combined systems of the spectrometer and the detectors.
本文描述了一个由金硅面垒型探测器和锥形面聚乙烯薄膜辐射体所组成的快中子谱议。
A semiconductor fast neutron spectrometer consisting of a Au-Si surface barrier detector and a conical polyethylene foil radiator is described.
对于激光跟踪系统,常采用两种探测器件,QAPD、面阵CCD作为跟踪探测器。
In laser tracking system, QAPD and plane array CCD are often used for tracking detector.
另外本系统采用聚合物光纤作为靶面与探测器阵列之间的光学通道,有效地增强了系统的抗干扰能力。
Furthermore, we use the polymer optical fibers as the passages between the target plane and the photo-electronic detectors in order to increase the anti-jamming ability.
一方面,大家都知道的测量效应,探测器接近受地球质量影响的局部时空。
One, known as the geodetic effect, is the amount by which the mass of the Earth will.
实验采用单光路临界角法,用四象限探测器探测输出信号,物面微位移采用压电陶瓷作为驱动元件。
The experiment came into use single light path critical angle method, output signals were detected by four-quadrant receiver, micro-displacement drive element were piezoelectric ceramics.
月面热环境探测是我国探月工程中的一项必要工作,具有重要的工程和科学意义。
Thermal survey for the lunar surface environment, as one of the major tasks in China's lunar Exploration Project, is of great technological and scientific significance.
光栅仍然会使得稍后会在面阵CCD探测器上聚焦的光线分散。
The grating spectrally disperses the light, which is then focused onto the CCD-array detector.
面响应不均匀性的测量是利用小的激光光斑在探测器的灵敏面进行二维扫描。
Spatial non-uniformity is measured by applying a small laser spot scanning across the detector sensitive area.
提出了一种基于面阵CCD器件,采用光纤和光纤面板进行光耦合及传输的扇形束线阵扫描X射线新型探测器技术。
Optical coupling and transmission performing with optic fiber and fiber optic face plate, a new sector beam linear array scanning X-ray detector technique based on plane array CCD devices is proposed.
提出了一种基于面阵CCD器件,采用光纤和光纤面板进行光耦合及传输的扇形束线阵扫描X射线新型探测器技术。
Optical coupling and transmission performing with optic fiber and fiber optic face plate, a new sector beam linear array scanning X-ray detector technique based on plane array CCD devices is proposed.
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