首先用 的英文怎麼說

中文拼音 [shǒuxiānyòng]
首先用 英文
c:>ipconfig
  • 首 : Ⅰ名詞1 （頭） head 2 （首領） leader; head; chief 3 （表示方位） aspect 4 （姓氏） a surname Ⅱ動...
  • 先 : 名詞1 （時間或次序在前的） earlier; before; first; in advance 2 （祖先; 上代） elder generation; ...
  • 用 : Ⅰ動詞1 （使用） use; employ; apply 2 （多用於否定: 需要） need 3 （敬辭: 吃; 喝） eat; drink Ⅱ名...
  • 首先 : first
  1. In the experimental studies on the behaviors of helium in aluminum, ion implantation technique was adopted to introduce helium with different energies, doses and distributions into some specimen of monocrystal, polycrystal, and preferred orientation as to the structure of aluminum. the energies varied in the range of 50ev to 4. 87mev. the corresponding helium peak depths by trim simulation varied in the range of 16 angstrom to 20. 7 microns

    在金屬鋁中氦行為的實驗研究中，首先用離子注入技術在單晶、多晶以及擇優取向的鋁樣品中引入不同能量、劑量和濃度分佈的he原子，能量范圍從50ev 4 . 87mev ， trim模擬的he濃度峰值的深度范圍為16 （
  2. Our previous studies showed existence of apoplast cam in the plant cell and cam had many extracellular functions. so it supposed cam may be one of important extracellular polypeptides and trigger the intracellular signal transduction by binding the receptor. in this study, radiolabelled ligand is used to investigate the binding characteristic of cam and a. thaliana protoplasts. and chemical crosslinking is employed to explore binding proteins in the membrane. at first, ( 35 ) ~ s - cam was produced using ( 35 ) ~ s - labeled amino acid mixture in e. coli. sds - page and autoradiograph indicated high - purified, high - specific radioactivity ( 35 ) ~ s - cam was obtained. electrophoresis of ( 35 ) ~ s - cam is the same as that of unlabeled cam with ca ~ ( 2 + ) or egta ; a quatitive of protoplasts was prepared by enzymolysis

    首先，用~ （ 35 ） s標記的氨基酸混合物喂養工程菌成功地制備了~ （ 35 ） s標記的擬南芥鈣調素（ ~ （ 35 ） s - cam ） ， ~ （ 35 ） s - cam純度高、放射活度高、 ca ~ （ 2 + ）與egta存在時的電泳行為與未標記cam相同，可作為一種高靈敏性的探針用於進行受體學分析實驗；用擬南芥種子誘導愈傷，通過酶解制備了大量原生質體。
  3. The juncture of between two boards of the flume box was agglomerated ( ) with stickiness first. then the top and the bottom board of the box were tighten with bolts

    水槽式加熱器箱體兩板間的連接首先用粘補膠粘接，然後在箱體的四周用螺絲連接，確保機械強度和密封性能。
  4. The method, firstly, grids the precipitation amount by conicoid, then judges and traces isoline and brings forward a way of how to avoid connection uncertainty of isoline

    該方法首先用二次曲面對不規則站點雨量進行格網化，然後在格網上對等雨量點進行判斷、追蹤以及在追蹤過程中如何消除追蹤的二義性。
  5. In the self - calibration scheme, the thesis emphasizes the accuracy of camera intrinsic and extrinsic parameters. we presents an accurate f method based on corresponding point adjustment. the method adjusts coresponding points according to the fixedness of projective transformed cross ratio, then calculates f matrix accurately through linear and non - linear methods. when computing intrinsic parameter, a matrix, we simplify the step, and stress on the two important parameters of a. the result will be getten through solving kruppa equation based on svd decomposition. in order to compute extrinsic parameters, we use linear method to get initial r and t, then apply non - linear method to accurate them

    提出了基於匹配點調整的f求精方法，先根據攝影交比不見性對手工選擇的匹配點進行調整，再用線性、非線性結合的方法求精f矩陣；在計算內部參數a中，進行了一定的簡化，把重心放在a中重要的兩個參數上，用svd分解法計算kruppa方程；在計算外部參數時，首先用線性法求解r 、 t ，然後再用非線性法迭代求精。
  6. Firstly, the author uses value analysis method to definitude the basic trend of corporation manager legal system. secondly, puts forward to found the macroscopic pattern of our corporation legal system

    作者首先用價值分析的方法明確了構建公司經理法律制度的基本價值取向，然後提出了構建我國公司經理法律制度的宏觀模式。
  7. Large dna molecules are first dissected with restriction enzymes to produce specific fragments.

    首先用限制性內切酶將大的DNA分子切斷，產生出特殊的片段。
  8. He first matched the observed data with an empirical expression.

    他首先用一個經驗公式來適應觀測數據。
  9. Niger with phytase activity about 2250 u / ml which selected by protoplast - uv mutation was used as original, prepared it into fungu - suspend - liquid, through uv mutation, daub on the filter - substract. pre - primary - selection was according to the lucency - circle, primary - selection was one fungus inoculate one flask to ferment, secondary - selection was using several high phytase activity fungus through one fungus inoculate 2 - 3 flasks to ferment. then one or two high phytase activity fungus of the secondary selection were used in the next mutation cycle

    首先用粗略制備的原生質體經紫外誘變篩選到一株酶活為2250u ml的實驗出發菌；制備成菌懸液，紫外燈下照射誘變，紅光下塗抹篩選平板，恆溫培養2 3d ；按透明圈大小進行預初篩，挑選徑圈比大的菌落接斜面，恆溫培養3d ；按一株一瓶的方式進行初篩；從中選取酶活較大的3 5株，按一株2 3瓶的方式進行復篩；挑取酶活大且穩定的1 2株進入下一代誘變篩選。
  10. We used occam ' s inversion method to inversion the 1 - d and 2d geo - electric model and have briefly discussed the approach and procedure. trial calculations of the theoretical show that the inversion converges stably and quickly but do n ' t depend on the original model

    首先用occam方法對一維和二維地電模型反演做了研究，結果表明occam方法在電阻率成像中收斂迅速，迭代穩定。
  11. Above all, the professional setting that unit of choose and employ persons can consider applicant when choosing resume and job experience what whether need post with company place to hold a post qualificatory photograph matchs

    首先，用人單位在篩選簡歷時會考慮應聘者的專業背景和工作經歷是否與企業所需崗位的任職資格相匹配。
  12. I put on the special heavy paste remover to remove plastic

    我首先用強力除油漆去除劑。
  13. We cooked the rotisserie chicken in step 1 to warm the meat and crisp the skin

    首先用電轉烤肉架加熱雞肉，使肉皮酥脆。
  14. In this paper, we have studied the transmission of a plane wave through a 1d quasiperiodic or aperiodic chain by numerical method. moreover the heat conduction for these chains is calculated. it is found that the heat flux j ~ n - 1 ( 0. 5 < < 1 ), and depends on the on - site potentials

    本文首先用數值方法，計算了各種頻率的平面波通過以上幾種典型的一維準周期和非周期鏈的透射系數，並據此研究了這幾種一維準周期和非周期鏈的熱通量j與粒子數n之間的關系，得出j n ~ （ a - 1 ） ， 0 . 5 1 ，與系統中在位勢的大小有關，並與其他系統的結果作了比較。
  15. First, the nonlinear ls problem without constraint is converted to that subjected to inequality constraints by putting constraints on the do as of the received signals and toas of the first arrived signal with geometrically based single - bounce ( gbsb ) statistical channel model and cost - 207 model. then, a penalty function is used in the estimation of ms position

    首先，用基於幾何結構的單次反射圓模型和cost - 207模型，對期望定位用戶的各條多徑信號的波達方向和最先到達多徑信號的時間進行約束，將傳統的解無約束的非線性最小二乘定位問題或近似線性最小二乘定位問題轉化為解不等式約束的非線性最小二乘定位問題；然後，用內點罰函數法估計移動臺的位置。
  16. In this paper, we study this aspects of ultrasonics, b - scan imaging, image collecting, digital image processing, and establish the whole frame of image processing. we first use matlab to simulate for its feasibility, then write programme and debug it

    本文對超聲波原理、 b超成像原理、圖像採集技術、數字圖像處理技術、三維可視化技術等進行了較為全面的研究，確定了圖像處理的總體方案，首先用matlab對要採用方法進行模擬以驗證可行性，然後進行軟體編制和調試。
  17. As a side note, rendering in grey first and then going to the color balance window is also a fun way to give your parts color

    一個小心得：首先用灰色上色，然後用色彩平衡窗口修改以獲得局部的色彩同樣是個有趣的方法。
  18. First, use some glue to stick four cardboard boxes together

    首先，用膠水把四個硬紙盒粘到一起。
  19. The content of this thesis comes from the fujian natural science found following research task 。 it studies on a space cantilever single beam attached to a moving support 。 inertia forces which are brought by the support ' s movement ， are acceded to the equivalent initiative forces and the equivalent initiative moments 。 when we consider the relation of the forces and deformation ， we change the method of material mechanical analysis to the elastic mechanical analysis 。 further more ， we discusses the feasibility of the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body 。 first ， the finite segment method is adopted to establish the models of the beam 。 based on kane ' s equations ， dynamic math - model for the beam are derived 。 and by use of c - language and runge - kutta procedure ， the computer - oriented procedure can give the whole responses of the beam 。 second ， with compare to the numerical examples ， the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body which is under the condition of movement is verified to be feasible 。

    本論文為福建省自然科學基金后續研究課題，以已知支撐運動的單個空間懸臂梁為對象，在等效主動力與等效主動力矩中加入支撐轉動引起的慣性力，並在考慮力與變形關系時，用更一般的彈性力學分析代替材料力學分析，進一步研究用多剛體離散模型來模擬其動力學特性的可行性。首先，用有限段建立機械臂的多剛體離散模型，用kane動力學方法建立其動力學方程。並用c語言編制演算法程序，採用了四階runge - kutta積分程序求解微分方程組，給出構件的全部動態歷程。
  20. First, we use a simple three - layer - model to gain the expressions of the electric field of cladding mode and its dispersion equation, at the same time, we present the expressions of the electric field of the core mode and its dispersion equation

    因為要考慮包層模，所以首先用光纖的三層模型得到包層模的場分佈和色散方程，同時也給出單模光纖纖芯基模的場分佈和色散方程。
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