zero group 中文意思是什麼

zero group 解釋
零族
  • zero : n (pl zeros zeroes)1 【數學】零;零號。2 零位;零點,起點;(溫度表的)零度,冰點;座標原點;無...
  • group : n 1 群;批,簇。2 集團,團體,小組。3 【化學】基,團,組;(周期表的)屬,族。4 (雕塑等的)群像...
  1. Based on mono - pulse radar system and the analysis of terrain echoes, a geometrical model of air to ground ranging is constituted. by using the signals received from the sum and difference channels of terrain follow radar, a group of the expressions for terrain echoes are educed and characteristics of these echoes are obtained. according to the characteristics of the echoes, the theory and method of pass zero detection of difference channel and its applications are discussed in detail

    針對一維單脈沖雷達體制,分析了地形目標回波特性;建立了地形跟隨雷達空地測距的幾何關系;利用雷達收發信號,導出了地形跟隨雷達和差接收通道的回波信號表達式,進行了波形模擬,得到了地形跟隨雷達的地面散射產生回波在時域中的特性;根據和差回波特性,闡述了差信號過零點檢測測距的原理和方法及工程實踐中的應用,並給出了真實雷達對外輻射試驗的結果,驗證了文中的模擬。
  2. The aerage amount of t / ideo iewing for the group was 1. 7 hours per day, so most children in this study were in line with the american academy of pediatrics recommendation of zero hours of screen time up until age 2 and no more than two hours per day after age 2

    這些兒童每天看電視時間平均1 . 7小時,研究中的大多數兒童看電視時間符合美國兒科學會推薦的標準,即2歲前不看電視, 2歲后每天不超過2小時。
  3. And while cuddle puddle a pile of ecstasy users on the floor is in the running, the smart money is backing phrases like " ground zero, " let ' s roll, " 9 11, " september 11, " evil doers, " terrible tuesday " and " post - september 11 " as likely winners when voting takes place on january 4 in a san francisco hotel at the language group ' s annual meeting

    1月4日在美國舊金山一家酒店中舉行的語言協會年會上, 2001年的新詞成群的吸毒者"雖然入選10大流行詞匯的可能性很大,但是更多的人還是支持" ground zero指世貿中心廢墟我們開始行動吧!
  4. In the second chapter, wavelet theory, which is the theoretic basis of embedded zero wavelet coding is introduced briefly, including wavelet transform " s local characteristics, multi - resolution analysis, discrete signal ' s fast decomposition and construction, wavelet and filter group

    第二章,對小波零樹編碼演算法的理論基礎? ?小波理論作了簡要的介紹,包括小波變換的時頻局部特性、多解析度分析、離散信號的快速分解與重構以及小波與濾波器組的關系。
  5. A capturing group can capture zero, one, or more strings in a single match because of quantifiers, so group

    由於存在數量詞,一個捕獲組可以在單個匹配中捕獲零個、一個或更多的字元串,因此
  6. 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。
  7. When the frequency approaches zero, the factor approaches zero correspondingly ; 2 ) the amplitude of interaction factors changes with the incident angle of rayleigh waves and reaches maximum when is zero. moreover, with the increase of, the wave period shortens apparently ; ( 3 ) the amplitude of interaction factors decreases as the pile spacing increases and approaches to zero when the pile spacing is 15 ; 4 ) the amplitudes of interaction factors increase clearly with the increasing stiffness ratio of pile to soil ; 5 ) the lat eral seismic response of fixed - head pile groups is much smaller than that of free - head pile groups. moreover, the pile - group effects induced by rayleigh waves can be neglected ; 6 ) the lateral seismic response of piles at different location differs from each other

    得到了以下結論: 1 )樁的相互作用因子隨頻率呈周期性變化,在振動頻率比較低的情況下,樁的橫向相互作用因子也較低,當頻率趨近於零時,相互作用因子也趨近於零; 2 )樁的相互作用因子的幅值隨瑞利波入射角度的變化而變化,在= 0情況下幅值最大,且隨入射角度的增加,波動的周期明顯縮短; 3 )樁的相互作用因子的幅值隨著樁與樁間距的增加而減小,至s d = 15時,樁的相互作用因子基本趨近於0 ; 4 )在頻率比較低時,相互作用因子幅值隨樁土相對剛度比的增加而顯著增加; 5 )樁頂固接可以有效地降低群樁的橫向地震響應幅值,由瑞利波產生的群樁效應可以忽略不計; 6 )群樁中不同樁位的樁的橫向地震響應是不同的,每根樁所在的樁位對其橫向地震響應有很大的影響;刀樁數的增加並不能減小樁的橫向動力響應。
  8. It is shown that if l is a modular lattice with finite length, and with 0, 1 the least and the largest elements in l respectively, then 1 is the union of some minimal elements in l if and only if 0 is the intersection of some maximal elements in l, if and only if each non - zero element in l is the union of some minimal elements in l. by using these results, we give the necessary and sufficient conditions of an algebra module, module, ring, group and semigroup, respectively, to be semisimple

    最後得出有限生成的ps -系是noetherian ( artinian )系的充要條件是它關于本質子系滿足升鏈(降鏈)條件。第二章給出了一個模格是半單的若干充要條件。得到:有有限長度的模格l上,最大元1是若干極小元的並當且僅當最小元0是若干極大元的交,當且僅當l中任意非零元可表示為若干極小元的並。
  9. 4. the hardware of electronic control system is developed. it includes display module whose tasks are man - machine interaction, displaying humidity and temperature, setting humidity, time, date and week, communicating with computer ; power device module which provides power of all modules and drives control equipments to accomplish intention of main control module and can provide zero crossing protection circuit, excess voltage and under voltage protection circuit and excess current protection circuit ; water sensor group, the responsibilities of which are testing the states of water and send the states to scm, then the scm control the water level after judging the states

    開發並實現了電控系統的硬體部分,包括顯示模塊:主要負責人機交互,顯示濕度、溫度,修改濕度、時間、日期、星期,和主控模塊通訊;電源驅動模塊:主要提供各個模塊的電源,驅動被控設備,實現主控模塊的意圖,並能實現繼電器的過零保護,過流、過壓、欠壓保護;水位傳感器組:負責測知水位的狀態,並把此狀態送入單片機,單片機經過判斷、處理反過來控制水位,實現水位的閉環控制。
  10. Consequently, the first chip - trap proposal, put forward by a group at the california institute of technology in 1995, involved cooling the entire chip to near absolute zero using a bulky and expensive liquid - helium refrigerator

    所以, 1995年加州理工學院的一個小組首度提出晶片阱的構想,需要用龐大且昂貴的液態氦冷凍機,將整個晶片冷卻到接近絕對零度。
  11. As part of its " zero kilometre " campaign, the farm group urged italians, who spend more than 5 billion euros 3. 4 billion pounds a year on some 600 flavours of ice - cream, to pick those types made from local produce instead

    目前義大利人能夠享用到大約600種不同口味的冰淇淋,而他們每年用於購買這種食品的總支出已經超過了50億歐元。做為其發起的"零公里"運動的一個組成部分,該農場主團體呼籲本國同胞應當只吃那些用當地物產製做而成的冰淇淋。
  12. A classification of certain separable c * - algebras of real rank zero with trivial ki - group is given in second part. we construct all the extensions of cuntz algebras by the compact operators, and compute their k - theory

    第二部分討論了某些具有實秩零及平凡的k _ 1群的可分c ~ * -代數的分類,我們先構造出cuntz代數通過緊運算元的所有的擴張,並計算它們的k -群。
  13. The company persists on and improves the principle of harmonious business and zero defect management initiated by rongshida group, and pursues high performance and price ratio of the products so as to make diligently the enterprise international advanced and independent innovation in technology

    合肥榮事達新能源股份有限公司堅持和完善榮事達的「和商」理念和「零缺陷」管理,追求產品的高性價比,努力打造具有國際先進水平的自主技術創新高科技企業。
  14. We derive an analytic expression of the group velocity dispersion ( gvd ) induced chirp and the self - phase modulation ( spm ) induced chirp in the normal dispersionregion of non - kerr - like optical fibers with saturable nonlinarity. the evolution of chirp is simulated by numerical methods. the studied results show that the more powerful saturable effects, the smaller is chirp and the gently is chirp. the net chirp is zero in the central region of the pulse

    從理論上推導出具有飽和非線性的非克爾光纖正常色散區內,群速度色散效應導致的啁啾和自相位調制效應導致的啁啾解析表達式.利用數值解法模擬了非克爾光纖正常色散區啁啾演變過程.研究結果表明:當非克爾光纖的飽和非線性增強時,凈啁啾不斷減小,而且,越來越平緩,脈沖中心附近區域凈啁啾接近零
  15. According to the live coefficient c, we modified the predictions for this age group and come to a conclusion that is corresponding to actual field data. in other words, the numbers of - age and - age were nearly zero with their densities below 4 / hm2. these results suggest that l. lagurus population began to decline

    運用校正後的存活系數繼續預測,其結果與2001年9月的野外調查結果基本一致,證實當年草原兔尾鼠的數量非常少,低於4 . 0隻/公頃,且齡鼠和齡鼠幾乎為零。
  16. It emphases the selection of secondary voltage of the step - down transformer, the control and protection of thyristor, the calculation of compensation capability and group capability, the technique of cross - zero switched on / off capacitors or reactor, the solution of avoiding possible resonance in switching on / off groups of capacitors or reactor and the measure of the best time to switch ( including the design of the computer survey and control system, instrument deliver system, delay operate and protect system ). although thyristor as a no - contact switch can avoid almost the problem of contact switch with contact, it can not solve the over - voltage, over - current and transient process itself as switching on / off capacitors or reactor. so we must develop a set of thyristor - switched control and protect system with great reliability so that it can realize of cross - zero switching on / off capacitors or reactor at any time

    晶閘管具有過零、動作快速的特點,本研究以晶閘管為電容器和電抗器的分組投切開關,重點研究了協調變壓器二次電壓的選擇、晶閘管觸發控制及保護、動態補償容量及分組容量的計算確定、過零投切電容器和電抗器技術的實現、以及分組投切電容器和電抗器可能發生諧振的處理計算方法,給出實現最佳補償投切選擇方法(測控系統、儀表變送系統、操作和保護系統的設計步驟) ,研製了一套高可靠性晶閘管觸發控制及保護系統,實現對無功的靜止可調補償。
  17. This thesis put forward a systemic method to settle the negative friction in project design. it includes when the negative friction must be consider, the zero position decided, count the down load, the negative friction group pile, the infection on end - bearing and sedimentation and stability, how to deal with in design to avoid the negative friction and how to solve when the negative friction produced

    本文提出了在工程設計中如何處理樁基負摩擦力的方法,包括什麼情況下考慮負摩擦力、負摩擦力中性點位置的確定、樁基下拉荷載的計算、負摩擦力的群樁效應、負摩擦力對樁基豎向承載力和沉降的影響、設計施工中如何避免出現負摩擦力以及對已經出現的負摩擦力如何根治。
  18. Sesame workshop developed the shows with help of experts from zero to three, a well - regarded not - for - profit advocacy group

    芝麻工作室是在口碑良好的非贏利性倡導組織「零到三歲」協會的幫助下開發出這些節目的。
  19. The load distributed by central piles under vertical load are higher than by others of the pile group ; 2. under higher vertical load, the foundation soil shows an obvious characteristic of plastic strengthening ; 3. the bearing capacity of pile group under vertical load is larger than the whole sum of bearing capacity of single piles in pile group ; 4. the position of the maximum or zero value of bending moment inpiles, the line shape of bending moment diagram and the value of bending moment of the same cross section of a pile under same load is different according to the lateral loading and the longitudinal loading ; 5

    在較大的豎向荷載作用下,土體出現明顯的塑性強化特徵; 3在豎向荷載作用下,群樁的承載力大於各基樁承載力之和; 4沿線路水平縱、橫向加載時,最大彎矩和零彎矩的位置、彎矩變化曲線的形狀以及在相同荷載作用下各樁同一截面的彎矩值都有一定差異; 5
  20. Finally, a new threshold and confirmer signature scheme for group or organization is proposed by using the multiplicative secret sharing and rsa public key cryptosystem, whose confirming and denying protocols are constructed by using the idea of zero - knowledge proof

    提出適合於團體和組織的門限證實數字簽名方案。新方案以乘法秘密共享和rsa加密演算法為基礎,採用一次性零知識證明思想構建簽名的證實協議和否認協議。
分享友人