超前探測 的英文怎麼說

中文拼音 [chāoqiántàn]
超前探測 英文
drift boring
  • : Ⅰ動詞1 (越過; 高出) exceed; surpass; overtake 2 (在某個范圍以外; 不受限制) transcend; go beyo...
  • : Ⅰ名詞1 (在正面的) front 2 (次序在先的) first; top 3 (過去的; 較早的) ago; before; preceding...
  • : Ⅰ動詞1 (試圖發現) try to find out; explore; sound 2 (看望) call on; visit; see 3 (向前伸出)...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • 超前 : speed-up; outstrip; lead; leading; preact; prediction; [航海學] advance; advancing
  • 探測 : survey; search; sound; probe; sounding; detection; acquisition; reconnaissance; localization; fin...
  1. In the retrofocus project, a retrofocus structure with two elements is used in the object lens to enlarge fov and back working distance, in the head of which the negative meniscus have the effect of balancing aberration and deviating rays like a prism. and a standard hyperhemisphere immersion lens with high refractive index is put behind the object lens to satisfy the receiving of a detector with smaller photosensitive

    反遠距設計方案中物鏡採用二片式反遠距結構,增大了視場和后工作距離,彎月型負透鏡在,具有平衡像差和棱鏡的偏向作用;物鏡後放置高折射率標準半球型浸沒透鏡,滿足小光敏面器接收。
  2. Since the discovery of colossal magnetoresistance effect ( cmr ) in per - ovskite manganites, it has sparked considerable renewed interests in these long - known materials with an eye towards both an understanding of the cmr and related properties and potential applications in magnetic information store and low - field magnetic sensors

    以鈣鈦礦結構氧化物為代表的巨磁電阻材料,由於它們所表現出來的大磁電阻效應( colossalmagnetoresistance )在提高磁存儲密度及磁敏感元件上具有十分廣闊的應用景,因而受到人們的廣泛關注。
  3. Practical detect technology to discover the hornitos and weak terrane

    應用超前探測技術查明溶洞及軟弱層
  4. It ' s more and more important to find an efficient way to manage the financial risk. the author carries out the investigation, collects related materials, researchs demonstratively and tries to find an efficient mechanism of financial risk " s management. that is to establish an effective supervisal mechanism and a veracious mda ( multiple discriminant analysis ) model

    針對這一現實問題,筆者採用實地考察、運用各種渠道收集相關資料、實證研究等方式,努力索建立一個有效的企業財務風險管理機制,主要包括建立一個有效的財務風險監機制及一個具有一定準確性的財務預警判別模型用以進行財務風險管理。
  5. The place of the anomalous extremum of apparent resistivity curve is related to the position, thickness, resistivity and occurrence of geologic bodies ahead of the tunnel

    摘要在坑道電阻率超前探測工作中,視電阻率異常極值位置與異常體位置、厚度、電性以及產狀相關。
  6. In the first part, the basic knowledge of particle scattering in meteorology and physics was introduced. the particles to be discussed include aerosol particles, fog droplets and raindrops and the em wave band in the discussion is near - infrared. in the second part, the mie theory was briefly reviewed and was applied to investigate the scattering characteristics of spherical atmospheric particles, the result shows that in the visibility measurement meter using forward - scattering method, when the working wavelegth is between 0. 8 m ~ 2 m, the scattering angle is between 25 ~ 40, the distinguishability and the relative scattering intensity would be better than those under other conditions. in the third part, the superellipsoid was used to describe a wide range of shapes such as spheres. ellipsoids and cylinders. an improved t - matrix method which can be used to calculate arbitry shaped particle ' s scattering field was introduced, and the scattering characteristics of non - spherical atmospheric particles was investigated with this method

    計算結果表明,從相對散射強度、同一方向上不同粒子散射的可區分程度來看,在散射式能見度儀器中,工作波長介於0 . 86 m 2 m ,角度選取向25度40度時,的結果將會是比較理想的。第三部分中,使用橢球方程來統一描述各種非球形粒子的形狀,然後使用t矩陣方法計算了一些形狀的非球形粒子的近紅外散射特性。另外,在本文中還針對球形粒子的散射場提供了一種三維可視化方法,使對散射場強度的空間分佈的理解更加簡單,直觀。
  7. Due to the advantages such as short response time, easy operation, and convenient to comprehend the wavefront modes, the hartmann wavefront sensor ( h - wfs ) is widely utilized nowadays in real - time adaptive optics system, turbulence statistical characterization, optical components test, light quality evaluation, laser atmosphere communication, the wavefront correction of ultrahigh power laser pulses, as well as human eye aberrations measurement. the detection accuracy is important to the performance of the whole optical system. considerable efforts have been performed in the investigation of h - wfs wavefront detection techniques in past years

    哈特曼波傳感器具有實時,易操作,可以直觀顯示波畸變分佈等優點,被廣泛地用作自適應光學系統的波信息和波畸變補償,大氣湍流統計特性表徵,光學元件檢,光束質量評價,強激光脈沖波整形,激光大氣通信以及人眼象差量等各個領域之中,其精度的高低對整個光學系統的工作性能有著極其重要的影響。
  8. Those features have not been archived in domestic products of the same type, the two parameters of which are manually determined and the testing results could be quite different from person to person. the design discussed in the paper solved the problem by removing the factor of the interferences from the operators

    國內所有傷儀對這兩個參數都是人工標定,使得量結果因人因時而不同,本設計對這兩個參數的自動標定使得人為量的誤差大大減小。
  9. Research on superconducting josephson array oscillator, a national nature science fund subject, investigates a high property thz oscillate source with wide potential applications in many areas, such as aerospace, universal detection and object recognition

    導約瑟夫森結陣列振蕩器是國家自然科學基金項目,這種振蕩器是一種具有廣闊應用景的高性能thz振蕩源。這種器件在航空航天、天文、地球衛星遙感、衛星地面目標識別以及醫療診斷上均有著極為廣闊的景。
  10. In order to study the uniqueness and complexity of reflection seismic pilot detecting technology in southern coalfield, and according to the southern coalfield stratigraphic features and characteristics of seismic waves observed, the thin dielectric model both transversely isotropic and anisotropic was set up

    摘要南方煤礦薄層狀介質存在各向異性和橫向各向同性並存的情況,其煤層的物性條件及其賦存情況的幾何形態又有利於槽波的形成,且地層地質構造發育,瓦斯、水等災害嚴重,這些特徵造成了南方煤礦薄層狀介質中反射地震超前探測技術的復雜性和特殊性。
  11. Analysis on characteristics of reflection seismic pilot detecting technology in thin layered media

    薄層狀介質中反射地震超前探測的特性分析
  12. Then inversion of the advanced detection is caried out by least square method

    然後採用最小二乘法對超前探測視電阻率曲線進行快速反演。
  13. Firstly, we make numerical modeling analysis with finite element method and eliminate the effect of tunnel - cavity, translate the apparent resistivity curve of advanced detection in tunnel into the curve in full space

    首先利用有限元數值模擬技術分析並消除坑道空腔對視電阻率的影響,並將坑道超前探測視電阻率曲線轉化為全空間視電阻率曲線。
  14. Application of ground radar in advance detection of coal roadway

    地雷達在煤巷超前探測中的應用
  15. Practices on pilot probing technology with dc power three sources in xingtai mining area

    直流電三點源超前探測技術在邢臺礦區的應用
  16. The principle and application of advance surveying in roadway excavation by resistivity method

    巷道掘進中電阻率法超前探測原理與應用
  17. Technology of advance detection by electric method and accurate detection of water geologic structure

    電法超前探測技術與礦井含水構造精細
  18. Research and analysis of forward prediction technology using seismic reflection wave in tunnel and laneway in china

    中國隧道及井巷地震波法超前探測技術研究分析
  19. However, ben tez and his colleague, dr jes s ma z - apell niz, of the space telescope science institute in baltimore, now believe that at least two supernovae occurred near earth two million years ago

    然而,貝尼特斯和他的同行、巴爾的摩太空科學研究所的赫蘇斯?邁斯阿佩利亞尼斯認為, 200萬年至少有兩顆新星在地球附近爆炸。
  20. As a new type optical storage material, it has momentous applied value in many aspects, such as super - condense and super - speed disc storage, image storage, information treatment, optical calculation, infrared detection, infrared up - conversion imaging, radiation dose measurement, etc. in this paper, we prepared cas : eu, sm srs : eu, sm and casrs : eu, sm materials with excellent optical storage properties by wet method prepared precursor and followed rare earth direct doped method in reduced atmosphere

    作為一類新型的光存儲材料,它在高密、高速光盤存儲、影像存儲、信息處理、光計算、紅外、紅外上轉換成像、輻射劑量定等方面具有重大的應用價值。本文採用濕法制備驅物、然後在還原氣氛下利用稀土直接摻雜法制備了具有良好光存儲性能的cas : eu , sm 、 srs : eu , sm及casrs : eu , sm光存儲材料。
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