次圓狀的 的英文怎麼說

中文拼音 [cìyuánzhuàngde]
次圓狀的 英文
subrounded
  • 次 : Ⅰ名詞1 （次序; 等第） order; sequence 2 [書面語] （出外遠行時停留的處所） stopping place on a jou...
  • 狀 : Ⅰ名詞1 （形狀） form; shape 2 （情況） state; condition; situation; circumstances 3 （陳述事件或...
  • 的 : 4次方是 The fourth power of 2 is direction
  1. In this paper the floral ontogeny and the ovary development of rivina humilis l. were observed. the results showed that ( 1 ) the tepal primordia initiated in 2 / 5 spirals. the abaxial one initiated first, then the adaxial one, finally the lateral two initiated nearly simultaneously. the third one initiated on the position near the first tepal, and there is a gap between itself and the second tepal. ( 2 ) the 4 stamineal primordia initiated in one whorl at the same time. ( 3 ) the carpellary primordium initiated from the abaxial side of flower primordium ; the carpellary primordium grew upwards and towards axis after it was formed, therefore an elliptic orifice was formed at the adaxial position of ovary, which was the remainder of the mouth of ovary before the ovary was fused completely. with the ovary maturing, the orifice was narrowed because of the ovary growth, at last fused completely. the gynoecium is composed of a single carpel. ( 4 ) in the series developmental sections of ovary, the ovular primordium was initiated on the adaxial meristem when the mouth of ovary was formed

    對數珠珊瑚的花器官發生和子房的發育過程進行了觀察.結果表明: （ 1 ）數珠珊瑚花被呈2 / 5螺旋狀發生，遠軸側的1枚先發生，其次為近軸側的1枚發生，最後側方的2枚花被幾乎同時發生，第3枚花被在靠近第1枚的位置發生，第2枚和第3枚之間有1個空隙; （ 2 ） 4枚雄蕊是同時發生的; （ 3 ）心皮發生於分生組織的遠軸側，心皮原基形成后，向上向軸生長，在子房成熟前在近軸側非正中位形成1個孔，該孔為心皮最終愈合前的殘跡，到子房成熟時，因子房的生長孔被擠壓縮小，在進一步的生長過程中愈合.子房由1枚心皮構成; （ 4 ）從子房發育過程的切片看，該植物的胚珠是在子房發生后不久發生的，子房上的圓孔形成時，從近軸側的分生組織發生胚珠原基，由胚珠原基分化出珠被與珠心
  2. The former is a kind of brachiopod and the latter belongs to vermes. the fossils of each sub - dominant species took its place from three percent to five percent in quantity. on one hand, the fossils of early vertebrata, hemichordata, urochordata, cephalochordata and vetulicolian which connects invertebrata and vertebrata have been caught one by one in the continuous excavating work of early life institute field work team of north west university since 1996

    他們還認為節肢動物長尾納羅蟲（ naraoialongicaudata ） 、刺狀納羅蟲（ naraoiospinosa ）和耳形等刺蟲（ isoxysauritus ）以及腕足動物東方日射水母貝（ heliomedusaorienta ） 、線形蟲動物圓筒帽天山蠕蟲（ maotianshaniacylindrica ）均為次優勢種，它們的個體數量分別占化石總數的百分之三到五。
  3. 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，提出用物體外包矩形的長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。
  4. In the course of working, ， the plow will make use of the shuttling method so that it can dig alternately either on the left or on the right. compared to the unilateral plow, it can improve the productivity because it can help leave off the soil 、 take from the consumed energy and reduce the empty journey. to meet the requests above, we will use a remote cylinder with both a small cubage and double functions, approximately designing the plow to be columniform and symmetric. after the experiment for a period in the field, we found that the most frayed areas had happened at the places of both plow shank and share and at the same time the base of the remote cylinder had ruptured suddenly

    與單向犁相比，其優點在於：耕地無開、閉壟，地表平整，降低了耕后整地的能量消耗，減少了地頭的空行程，因而大大提高班次生產率。為了滿足犁體梭式作業的要求，我們採用了一隻小容積雙作用的液壓油缸；同時對犁壁曲面的形狀採用了近似圓柱形的對稱設計。但經過一段時間的田間試驗，我們發現：該犁犁胸部分的犁脛和犁鏵上的犁尖在工作中磨損較為嚴重；主犁梁和油缸缸體的連接部分（即油缸底座）突然發生了斷裂，造成整個犁體無法正常工作。
  5. The chinese kongzhu differs from the diabolo in three primary ways : ( 1 ) the axle of the chinese kongzhu is much longer than that of the diabolo. ( 2 ) the chinese kongzhu has flat side ( s ) like wheel ( s ) whereas the diabolo consists of two bell - shapes. ( 3 ) the chinese kongzhu has air grooves built into their construction

    中國的空竹不同於迪亞波羅，主要有以下三點：首先，空竹的軸要比迪亞波羅的長得多，其次，空竹的兩端或一端是輪狀的圓盒，而迪亞波羅一般為碗狀的兩端。
  6. Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa

    本文首先介紹並分析了橢圓曲線密碼體制的優點及研究現狀；其次研究了橢圓曲線密碼體制的基本理論；第三，分析了橢圓曲線密碼的安全性並介紹了密鑰共享，加密，數字簽名等橢圓曲線密碼體制；第四，深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優正規基表示下的乘法運算和乘法逆運算的快速演算法，並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了改進，而且在實驗的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優正規基表示下的乘法和乘法逆運算的性能，還對這兩種基表示下的f _ 2m域中元素運算效率的優劣作了比較和研究，所得的結論可供在實現橢圓曲線密碼體制時參考；第五，研究了目前流行的計算橢圓曲線標量乘法的快速演算法，同時改進了固定基點梳形法，提高了整個系統的速度，並在實驗的基礎上分析研究了流行演算法的優劣；第六，實現了基於f _ 2m的橢圓曲線密碼體制的演算法庫，在我們的演算法庫中只需稍微改變便能實現基於任意尺寸的f _ 2m上的ecdh ， eces ， ecdsa等橢圓曲線密碼體制；第七，實現了兩條安全橢圓曲線上的橢圓曲線密碼體制，包括ecdh ， eces ， ecdsa 。
  7. Most of local plate - nectarine, ornamental peach and weeping peach cultivars had simple extine pattern, which shows that they were original types

    供試材料的花粉粒形狀以橢圓形為主，且首次發現哈太雷品種的花粉粒呈為圓球形。
  8. The main results and academic contributions of the dissertation can be summarized as following : 1 ) for the difficulty to obtain the accurate analytical solution of the stress constraints around 3d cracks, detailed 3d fe analyses have been conducted to study the out - of - plane constraint factor tz around a straight through - thickness crack, a quarter - elliptical corner crack and a semi - elliptical crack embedded in an isotropic elastic plate subjected to uniform remote tension loading. the distributions of tz are minutely studied in the forward section of the cracks. strong 3d zones ( tz > 0 ) along the crack front were investigated despite the far field stress - free boundary conditions

    全文主要研究內容和學術貢獻如下: 1 .針對一般三維裂紋端部場應力約束準確解析的困難，對均勻拉伸載荷作用下各向同性彈性板中穿透厚度中心直裂紋、半橢圓表面裂紋和1 / 4橢圓角裂紋進行了大量詳細的全場應力三維有限元分析，首次全面分析了非穿透裂紋端部場三維影響區范圍，給出了不同形狀三維裂紋前沿離面應力約束因子tz的數值解，並結合k場平面解給出了非穿透裂紋端部應力場k - tz雙參數描述。
  9. The results show that under the same lapping conditions the si3 n4 ball has the lowest material removal rate and the best roundness and roughness, followed by zro2, al2o3, and sic ball

    結果表明：在相同的研磨條件下，具有長柱狀晶粒的氮化硅陶瓷球加工速率最低，但圓度和表面粗糙度最容易控制；氧化鋯和氧化鋁陶瓷球表面質量次之，碳化硅陶瓷球加工速率最高，圓度和表面粗糙度最難控制。
  10. It should be noted that the rough disk (disk no. 3) was in complete contact for most of the trials.

    應該注意，表面粗糙的圓盤（第3號圓盤）在很多次試驗中處于完全接觸的狀態。
  11. ( 4 ) we prove that shapes of ellipses obtained from the leading binomial of [ p are independent of the decomposing methods, and two ellipse equations removing their constants satisfy the same relation of transformation as two [ p curves under the perspective transformation

    （ 4 ）證明了隱含多項式分解的首二次因子積所對應橢圓曲線的形狀與分解的方摘要法無關。如果兩條隱含多項式曲線滿足透射變換關系，那麼它們首二次因子積中的橢圓曲線方程去除常數項后也滿足這種變換關系。
  12. The venting reminded scientists of the volcano ' s activity 20 years ago, when it built the dome following its catastrophic 1980 eruption

    這次噴射使科學家想起了聖海倫斯火山20年前的那次大爆發，自1980年那場災難性的火山爆發后，聖海倫斯火山口形成了現在的圓頂狀。
  13. They are used to treats allergies and chronic conditions and rebalance the metabolism. diamonds are also helpful in the treatment of glaucoma

    大部分首次購買鉆石的人都會選擇最經典的圓形，其它人則會依照自己喜好選擇心愛的鉆石形狀。
  14. Anticipating results and innovation of the article : fulfilling the noncircular wetted areas is creative feature of this article. it has lots of merits : adapting to all shapes of plowland, gardening park and orchard, saving water and energy, having no blind angle, improving uniformity of spray irrigation, reducing the initial investment of the spray irrigation engi neering

    預期的結果和創新之處：噴出非圓形的噴灑域是該課題的創新之處，它有很好的觀賞價值，能適用各種形狀農田、園林和果園的噴灌需要，既不浪費水資源，又不會產生噴灌死角、提高了噴灌均勻度，減少噴灌工程的一次性建設投資。
  15. Clk - proliferation cyclone applicable to the collection of non - fiber drying of granular dust is the main characteristics of a conical dongshen, thus reducing the dust since the dongshen gas exports to the centre to short - circuit the possibility and install a conical reflector screen to prevent the two air separation will have to roll up the dust down, brought out by the increased flow, thereby enhancing the efficiency of dust

    Clk擴散式旋風除塵器，適用於捕集乾燥的非纖維性的顆粒狀粉塵，主要特點是筒身呈圓錐形，因而減少了含塵氣體自筒身中心短路到出口去的可能性，並裝有圓錐形的反射屏，防止兩次氣流將已經分離下來的粉塵重新捲起，被上升氣流帶出，因而提高了除塵效率。
  16. First, the basic raster graphics algorithms for drawing 2d primitives are introduced, including edge coherence and the scan - line algorithm of triangle, brush algorithm of thick line ( and its improved method ) and midpoint circle and ellipse algorithm ; and the current situation of the advanced algorithms is also involved. second, the mapping of high level programming language to hardware description language is described, some principles of the conversion of algorithm to state machine are proposed also ; then, the implementation of basic graphics in hardware is discussed in detail, the state machines are drawn in the paper, and the interfaces of hardware are defined, block diagrams too, and the advanced algorithm of conic is proved ; finally, some issues about test are described, the results of simulation and synthesis are given in the last, and some detailed data are displayed in the appendix

    首先介紹了現有的基本圖形生成演算法，包括三角形邊相關掃描演算法，寬直線的線刷子演算法及其改進和圓形、橢圓的生成演算法，同時介紹了加速演算法的研究現狀；然後，討論了高級語言描述到硬體描述語言的映射，提出了演算法到狀態機抽象的規律；接著具體討論了基本圖形的硬體實現，給出了各演算法的狀態機圖，介面定義和實現框架，並且從理論角度給出了二次曲線加速演算法的證明：最後採用軟體工具進行測試驗證，給出了模擬、綜合實現的結果，並在附錄中有詳細的實驗結果數據。
  17. The threshold speed and the typical characteristics of the oil whip of the system are simulated under the nonlinear model of oil film force, and the state of motion and type of the bifurcation are analyzed by floquet multiplicators which is computed by the shooting method. secondly, the the nonlinear dynamical model of the low - pressure rotor - bearing system by column bearing with reduced dimensions is presented. the numerical results show the rule of the amplitude with the eccentricity of rotor, the length - to - diameter ratio, oil viscosity and the clearance - to - radius ratio of the bearing under the definite speed

    其次，對降維后的低壓轉子?軸承系統的非線性動力學方程，計算了圓柱瓦軸承支撐的轉子系統的振動穩定性在固定轉速下隨偏心距、軸承長徑比、潤滑油動力粘度和軸承間隙比的變化規律，並分析了轉子前軸承軸頸的失穩轉速與轉子偏心距、軸承長徑比、潤滑油動力粘度和軸承間隙比之間的關系，同時利用floquet理論分析其運動狀態和分岔類型。
  18. In this paper, through stress analysis of region about conical and spherical parts during drawing, a calculating formula of maximum tangential compressive stess in unsupported wall region is deduced. and this is condition of causing internal wrinkle. then on the premise to guarantee not breaking workpiece, a critical calculating formula is presented

    通過圓筒形及盒形件拉深前後網格變化分析，並確定變形區和非變形區，由此得到不規則盒形件毛坯展開形狀由不變形區和參與變形拉深線組成，並用此方法計算出汽車制動閥安裝板的毛坯形狀和尺寸，在試模時一次即獲得成功，具有一定的實用價值。
  19. Systemic measure scheme is designed on the basis of product line structure and every component of measuring system is specified. secondly, tube product shape imitating, rolling imitating of on - line tube product, measuring the chord length imitating with ccd and dimension measure arithmetic - circle least square estimation are finished. lastly, according to mentioned dimension measuring method, imitating operation and the result of imitating operation are emphatically analyzed

    文章首先介紹了管狀產品的生產線結構，根據生產線結構設計了系統檢測方案，並詳細說明了檢測系統各部分的組成；其次對管狀產品形狀模擬、管狀產品在生產線上滾動模擬、線陣ccd檢測弦長模擬、尺寸檢測演算法? ?圓的最小二乘法進行了研究；最後重點對所提出的尺寸檢測方法進行模擬計算並對模擬計算結果進行分析。
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