長矩 的英文怎麼說

中文拼音 [zhǎng]
長矩 英文
naganori
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : 名詞1. (畫直角或正方形、矩形用的曲尺) carpenter's square; square2. (法度; 規則) rules; regulations 3. [物理學] moment
  1. The relationships between the number of diffraction order and grating pitch, refractive index of medium, light wavelength, incidence angle and azimuth angle are investigated

    討論了入射角、入射方位角、入射光波、光柵柵距、介質折射率與形光柵衍射級次數目間的關系。
  2. 5. two criteria are put out in straw classification process. the first one is based on the proportion of length and width of object ' s bound box, and the second one is based on the circularity of object

    5針對秸稈物體的形狀特徵,提出用物體外包形的寬比以及物體的圓形度二準則依次進行目標形狀判斷的方法。
  3. The signal we named it fundamental wave ; according to the fundamental wave, coefficients of the fundamental wave can be lined in a sequence. when the unique of the dissolve of the fundamental wave can be confirmed, the sequence of the coefficients can be regarded as one of representation forms of the signal itself ; theory of dissolvable signal shows that when order of the matrix of fundamental wave sampling equals to number of fundamental waves, the sequence of the sampling values from sampling points must be matched one by one with the sequence of the coefficients of fundamental waves. the sampling composed by sequences of the sampling values must be full sampling ; the relevant deductions of the theory of dissolvable signal shows that when sampling the signal, sampling frequency must be lager than the ratio of the number of fundamental waves to the occupation time of the fundamental waves ; to band - limited signals, when the fundamental wave is a sine signal, the results from the relevant deductions of theory of dissolvable signal is coherent to the classic sampling theory

    本文通過分析認為,當信號集中的任一信號可表示為一系列已知信號的線性代數和時,信號集便構成可分解信號集,已知信號稱為基波信號;對可分解信號而言,基波系數構成一序列,當對指定的基波信號集分解唯一確定時,系數序列本身便是信號的一個表示;可分解信號采樣定理指出當基波樣值陣的秩等於基波數時,則由采樣點處的采樣樣構成的樣值序列必與基波系數序列一一對應,從而由該樣值序列構成的采樣必為完全采樣;可分解信號采樣定理中的推論指出,對信號集進行采樣,采樣頻率必須大於其信號分解的基波數與其對應時之比;對有限帶寬信號,若基波信號為正弦信號時,由可分解信號采樣定理推論給出的結論與經典采樣定理一致。
  4. Long - hole and geometrical proportion type of mixing unit is finally adapted in lpg supply system, and power and torque output of lpg engine are improved by increasing compression ratio, and ignition characteristic is tried to adjusted to satisfy engine performance. meantime emission performance and noise level of lpg engine at full - throttle and other various part - throttle operations are tested and compared with former gasoline engine. ( 3 ) it is verified by engine dyno tests that lpg engine has better synthesized performance at aspects of power and torque, fuel economy, as well as emission than former gasoline engine

    選擇了等比例孔式混合器控制空燃比;通過提高壓縮比來彌補動力性的損失;以動力性為主控目標,對最大功率點、最大扭點、中等轉速、最低轉速點所對應的發動機轉速做了點火特性的調節;通過空燃比的合理控制,直接改善發動機的動力性、經濟和排放指標;作為對缸內燃燒過程的理論分析,進行了燃燒特性的實驗測試;對原汽油機和新開發的液化石油氣發動機,進行了外特性和部分負荷特性以及怠速的排放及噪聲對比性測試。
  5. Leaves crowded near apex of the trunk, spirally arranged ; stipes dark brown, with sharp spines ; lamina large, oblong, tripinnate ; pinnae 17 - 20 pairs, alternate, longest one to 60 cm long, the basal one reduced ; rachis short - spiny ; pinnules 18 - 20 pairs, sessile or nearly so, lanceolate, to 10 cm long and 2. 5 cm wide, divided almost to the costa ; segments more or less falcate, toothed

    葉螺旋狀排列,聚生於莖端;葉柄棕色,具銳刺;葉片大,長矩圓形,三回羽狀深裂;羽片17 - 20對,互生,最大的達60厘米,基部一對縮短,羽軸有短刺;小羽片18 - 20對,無柄或近於無柄,披針形,達10厘米,寬2 . 5厘米,深裂幾達中脈;末回裂片多少鐮狀,有齒。
  6. " tom, if it ain t unregular and irreligious to sejest it, " i says, " there s an old rusty saw - blade around yonder sticking under the weather - boarding behind the smoke - house.

    「湯姆,也許我這么說有點兒不合規,犯忌諱, 」我說。 「在那個熏肉房后邊防雨板下面,有一根了銹的鋸條哩。 」
  7. What is the perimeter of this oblong

    (這個形的周是多少? )
  8. Additive preservers of rank on rectangular matrices over fields

    域上陣空間的加法秩保持
  9. The equations of motion governing the axisymmetric elastic deformation of finite orthotropic cylindrical shells, involving the effect of transverse shear and rotational inertia, are derived. by applying the reverberation method, the displacement and the resultant forces of the shell in the phase space are expressed. then the transient waves in the finite orthotropic cylindrical shell subjected to the axisymmetric impact are obtained by using inverse laplace transforms. furthermore, the transient solutions are decomposed to the generalized ray integrals and computed numerically

    分析了計及剪切變形和轉動慣性的有限正交異性圓柱殼中彈性瞬態波的傳播問題,採用回傳陣法,在相空間中給出了位移和內力的表達式。再利用laplace逆變換,得到正交異性圓柱殼受軸對稱沖擊作用時彈性瞬態波解,然後將其分解為若干廣義射線積分之和,並用數值方法求解之。
  10. The basic concept of siw is that it use the top and bottom layers of metal together with two row of vias is very small compared with wavelength, the dissipation loss of radiation is very small. it acts like a rectangular waveguide filled with some dielectrics, so components which can be composed by rectangular waveguide can also composed by siw such as antenna, filter, power divider, coupler, resonator

    基片集成波導的基本概念是利用基片的上下金屬板和兩排間隔一定距離的金屬孔構成波導的金屬壁,由於每排金屬孔孔間距遠小於波,因此由縫隙泄漏的能量很小,這相當于內部填充了介質的形波導,所以能夠用形普通波導實現的結構也都可以用基片集成波導來實現,比如功分器、濾波器、天線、耦合器、振蕩器等。
  11. Depending the pneumatic delivers to torque, the construction is simple, make and installing the technique request to be low, thermolysis would be better to not as good as ventilated type, the pneumatic capacity is bigger, the aeration and deflate time longer, easy is slippery

    靠氣胎傳遞扭,結構簡單,製造、安裝技術要求低,散熱條件不如通風型,氣胎容積較大,充氣、放氣時間較,容易打滑。
  12. Similar comments apply to torsion if the torsional moment and twist per unit length are constant throughout a member.

    如果扭和單位度上扭角沿桿件為常量,則上述的結論也可以用於扭
  13. Unique pu - metal binding technology enables the company to achieve the technology of increasing torsional moment, improving loading and never loosing thus largely prolong the life of components

    獨有的聚氨脂-金屬粘結技術,實現了增大扭提高負載不脫膠的目的,極大地延了配件製品的使用壽命。
  14. Cylindrical shaft ends. long and short series. transmissible torques

    圓柱形軸端.和短系列.可傳送的扭
  15. The headteacher was wrathful with the children ' s unruly behavior

    被那些不守規的小學生惹得發怒。
  16. This paper proposes a handoff algorithm using dual - window measurements in cellular mobile communication system. the proposed algorithm can provide a suitable balance of probability and delay of handoff. an analysis model of this algorithm is given in this paper. the proposed algorithm is especially fitted to the situation which mobile station needs to measure the signal strength from many base stations

    本文提出了一種新的蜂窩移動通信系統越區切換測量演算法,該演算法採用了兩個度不同的測量窗口,有利於在切換時延和切換平均次數這對矛盾之間取得更為有效的平衡,特別適用於需要對多個基站進行切換測量的情況.同時本文給出了基於形窗口的雙窗口切換測量演算法數學分析模型,及數值分析結果
  17. This paper derived the transfer matrix of the bilayer structure composed of left - handed and right - handed materials, and computed the density of states ( dos ) along the axis of the finite one - dimensional photonic crystal, which was constructed out of n such bilayer structures periodically

    摘要推導出了由左右手材料構成的雙層結構的轉移陣,計算了由n個該雙層結構周期性排列所形成的一維有限度光子晶體沿其軸線方向的態密度。
  18. The light guiding unit on the surface is composed of sub - micron gratings whose transmission wavelengths are red, green and blue in order. the light source are red 、 green 、 blue led or semiconductor laser array. to enhance the light utilization, the surfaces of light guide plate except the incident and transmitted surfaces are coated with metallic film

    本文設計的亞微米光柵型導光板為形狀的,導光板上表面的導光單元是由三套出射光主波分別是紅光632 . 8nm ,綠光521nm ,藍光441 . 6nm的亞微米光柵組成,光源採用的是紅、綠、藍三色發光二級管或者半導體激光器陣列,為了提高光能利用率,除入光面和出光面外,導光板其餘面都鍍上金屬膜。
  19. In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented

    本文借鑒鋼框架節點構造,設計了四種類型形鋼管混凝土柱與鋼梁連接節點,包括常規栓焊( wfp )節點、翼緣全螺栓連接( bfp )節點、雙t板連接( dst )節點以及加勁端板連接( sep )節點,進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究,比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵,主要結論有: 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈,沒有或略有捏攏現象,耗能能力強; 2 、軸壓比對節點滯回曲線有顯著影響,全部節點都有顯著的剛度退化; 3 、位移與轉角骨架曲線在峰值荷載後有較的水平或下降段,具有良好的延性性能; 4 、從整體抗震性能上看,翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點,可在實際工程中加以推廣。
  20. Lateral buckling of pin - ended beam with a couple applied at one end of pin - ended beam

    長矩形簡支梁一端受力偶作用時的側向屈曲臨界載荷
分享友人