零射線 的英文怎麼說
中文拼音 [língshèxiàn]
零射線
英文
null ray-
The scientists mimicked a space environment by freezing the mixture to temperatures close to absolute zero, then exposing it to harsh ultraviolet radiation
科學家模擬太空環境，首先將混合物降溫，直到接近絕對零度后，以強烈的紫外線照射混合物。In respect of clouds, while uv levels may be highest under cloudless skies, they can also be high with cloud cover. there have been instances of very high uv levels under broken clouds, which can enhance uv levels by reflection from their sides
就雲的影響來說，在一般情況下它們會減弱紫外線，但亦有個案是由於零散雲塊的邊緣反射而增加了到達地面的紫外線。The isoelectronic system of gap : n has been investigated extensively in the dilute limit since 1965. thomas et al identified that a series of sharp emission lines in gap : n were due to the recombinations of excitons bound to either isolated nitrogen centers or various nitrogen pair centers
這些譜線來自於等電子雜質n形成的束縛激子態（孤立n中心和nn _ i對）輻射復合產生的零聲子線及其聲子伴線。He remembered the initial paraphenomena ? more active air, a matutinal distant cock, ecclesiastical clocks at various points, avine music, the isolated tread of an early wayfarer, the visible diffusion of the light of an invisible luminous body, the first golden limb of the resurgent sun perceptible low on the horizon
空氣越發充滿了勃勃生機：遠處，公雞在報曉，各座教堂的敲鐘聲，鳥類的音樂，早起的行人那孤零零的腳步聲，看不見的光體所射出的看得見的光，復活了的太陽那低低地嶄露在地平線上的依稀可辨的最初一抹金暉。Knowledge - based part logical manufacturing process design, as well as the matching method between the logical manufacturing unit and physical manufacturing unit, are given, which provide references for the more complicated process questions
研究了基於知識的零件邏輯加工路線的設計，邏輯製造單元和物理製造單元的映射方式。這為將來解決更為復雜的工藝問題提供了思路上參考。When there is nozero object in category, the generalized inverse of morphisms are studied through the equa - alizer, the necessary and sufficient conditions for generalized inverse is obtained, and the relation between the linear equation and the equalizer is presented in matrix category
當范疇不具有零對象時，以態射偶的等化子為工具討論態射的廣義逆，並在矩陣范疇中建立了齊次線性方程組的解與等化子的關系。The properties of the eas are hidden as the peak is sharp around zero
由於兩組探測器相隔太近，空氣簇射引發的峰值只出現于零附近，不利於分析宇宙射線的特性。The research results are controlled source which has linear or nonlinear variabe frequency scan function and the seismic instruments which match with it, and the method of small group intervals, small offset, much more channels, short array length, high - frequency receivers are applied during the link of data acquisition, and that the techniques of the refraction static correction, the noise suppressing, the high - resolution velocity analysis, the wavelet length compression, the wavelet zero - phase, and the prestack migration should be applied emphasizedly during the link of data processing and interpretation
研究表明，對于城市活斷層的抗干擾高解析度淺層地震勘探，在數據採集環節應採用具有線性或非線性變頻掃描功能的可控震源和與其相匹配的地震儀器，以及小道間距、小偏移距、多接收道、短排列和高頻檢波器接收的工作方法；在數據處理與解釋環節，要重視折射靜校正技術、噪聲壓制技術、高精度速度分析技術、子波壓縮技術、子波零相位化技術和疊前偏移技術等的應用。Retail : communications equipment ( excluding radio transmitting equipment ), telephone chongzhi cards
零售：通訊器材（不含無線電發射設備） 、電話沖值卡。The appearance position of hot - image satisfied the rule of z2 = z1 - lv, z2 is mean the image distance, z1 is mean the object distance, and lv is mean the distance between the nonlinear medium. the theory is also validated by the optical propagation software. if n = 1, then the nonlinear medium is only one, lv = 0, and it will satisfy the rule z2 = z1
四、從非線性近軸波動方程基礎上用散射矩陣理論推導了級聯介質的熱像規律，得出級聯介質的熱像位置滿足z2 = z1 - lv ，其中z2為像距， z1為物距， lv為級聯介質間的距離，並用光傳輸軟體得到了驗證;發現級聯的非線性介質可以看成單一的非線性介質相連，散射點對級聯介質的每一段非線性介質成像;當只有一段非線性介質時，可以認為lv為零，滿足z2 = z1 。Please do not expose the monitor to direct sunlight or hear. sunshine will cause high temperature ; also the ultraviolet ray in the sunlight will destroy the spare part inside the machine discolor the outer case
因為日照會造成溫度升高，太陽光中的紫外線也會破壞機器裏面的零組件，所以因避免太陽光直射，而且機殼經太陽光長期照射會有褪色現象。Thus, blue light cannot travel very far without changing direction in the atmosphere. red light, in contrast, can travel much farther. during sunset, we see a red sun because the red light can go directly to us and almost all the blue light is scattered away
地球的大氣擾動令星光閃爍不定，它更會散射光線，由於藍光比紅光更容易被大氣所散射，所以藍光在大氣中不能及遠，而紅光則基本上暢通無阻，結果在黃昏時，只有紅光能直達地面，而藍光則被大氣散射得七零八落，出現了令無數情侶陶醉的紅日倚山的美景。On the assumption of ignoring the distortion of thickness, this paper determines the rough shape by the geometric modeling method of equal area developing using mixed mesh cell of triangle and quadrangle for the first time, presents the equal area developing arithmetic of quadrangle - triangle. on the virtual geometric symmetry axis, we puts forward the method of determining the developed coordinate of the point on the base band in the development of using regular quadrangle cell, determines the developed shape of internal structure in plane utilizing point - to - point mapping theory. furthermore, we realize the approximate developing of undeveloped - irregular boundary surface using a few triangle cells
本文結合型號研製中小曲率機翼整體壁板類零件坯料展開課題，基於板料厚向變形忽略不計的先驗假設，首創混合四邊形-三角形網格等面積展開的幾何模擬法確定壁板類零件毛坯外形，給出了混合四邊形-三角形網格等面積展開演算法；提出了虛擬分割線的概念，採用虛擬幾何對稱軸，給出了規整四邊形單元展開基帶上結點的計算方法；採用映射原理和求交演算法確定了壁板內部結構信息的展開定位。It is one of advanced technologies used in modern radar that applying adaptive algorithms to radiation pattern of an adaptive array in order to control nulls of the beam pattern and to suppress interferential signals
在自適應天線陣的發射模式中應用自適應演算法，控制發射波束的零點位置，以達到抑制干擾信號的目的，是現代雷達採用的先進技術之一。Non - affine nonlinear systems via bounded controls and kalman - yakubovitch - popov lemma of affine passive systems are stabilized. several kinds of nonlinear systems with uncertainty by using stability theory of cascaded passive systems are stabilized robustly. the relative weaker sufficient conditions of stabilizing a class of driven - driving systems by using the concept of zero - state - detectability are put forward
運用仿射無源系統的kalman - yacubovitch - popov引理，飽和鎮定非仿射非線性系統；運用聯級無源系統的穩定原理魯棒鎮定幾類不確定系統；運用零狀態可探測概念，給出了鎮定從驅動系統相對較弱的充分條件。Judging by the different magnitude and direction of the wavelet packet coefficient modular maximum, we can select the single phase - to - earth line. the method using wavelet singularity detection theory to extract the fault time is discussed. a fault distance measurement algorithm combining wavelet analysis used for separating the character from the transient fault signal with artificial neural networks used for the nonlinear approximation from the transient character to fault distance is presented
論文提出利用各個出線零序電流在頻帶上小波包系數模極大值的方向和大小的不同來實現故障選線，討論了利用小波分析的奇異性來判斷故障啟動時刻，提出將小波分析和人工神經網路結合，利用人工神經網路的非線性逼近能力，實現故障暫態量到故障距離的非線性映射，完成測距。Since the discovery of anthrax - laden mail in us in october 2001, us government uses x - rays in the same manner as in medical usage to sterilize suspected items sent through mail to avoid panic in the country
二零零一年十月期間，在美國發現了炭疽菌郵件后，美國政府亦是利用x射線，為可疑的郵件消毒，以免炭疽菌在美國引起恐慌，其消毒的原理亦是一樣。Besides the advanced manufacturing technology and theory, a series of correlative technologies are required to the implement of networked manufacturing, especially the technologies of distributed computing, information integration and artificial intelligent etc. aiming at their limitations, the paper reconstructed the key supporting technologies employing the last network technologies and protocols, and established a new architecture of networked manufacturing. finally, the demonstrational researches are conducted with " flexible design and manufacturing system of key parts in large - scale antenna " as prototype. the distributed computing platform available of networked manufacturing is constructed with the distributed object technologies such as corba, dcom, rm1 etc, but those rpc modules bring obstacles to the development of global manufacturing due to their limitations
網路化製造系統是個分佈、異構、鬆散耦合的智能系統，除了先進製造技術與理念本身，網路化製造的具體實現與實施還需要一系列相關技術的支撐，特別是分散式計算、製造信息集成、人工智慧等，論文正是針對當前網路化製造中上述關鍵支撐技術的不足與局限，運用下一代internet核心規范webservices及其相關技術如xml 、 soap 、 wsdl 、 uddi等，提出了面向全球的網路化製造全新分散式計算解決方案（ global - orienteddistributedcomputing ， godc ） ；構造了基於xml - schema的製造產品數據描述語言（ pdmlbased - xml - schema ） ，給出了express xml及steppart21 xml的映射規則，並對基於xml step pdm網路化製造信息集成方案進行了研究；同時運用webservices 、 xml等先進技術與規范對網路化製造的multi - agent模型、表示、通訊、調度等進行了研究與重構；最後，以「大型天線關鍵零件網路化製造」為原型進行了應用研究。Cathode ray null indicator
陰極射線指零儀Secondly, the resolution of ray tracing based on the differential equations avoids the limitations of the methods based on integral equations such as low computation efficiency and the calculation difficulty at small initial angles in the vicinity of antenna, and the higher computation precision remains with a higher efficiency
二、本文選用的以電波射線微分方程為基礎的射線描跡解決方案，可有效地避免沿用已久的積分演算法計算效率低、零度初始仰角附近難以計算等局限，並保持較高的計算精度和計算效率。分享友人