球體圓 的英文怎麼說
中文拼音 [qiútǐyuán]
球體圓
英文
circle of the sphere-
We can get electron density with the calculated phase and some common model formula ( such as sphere and cone ) in the wake of hypervelocity projectiles
由計算出的相位並根據彈道靶尾跡的一些常用模型(包括圓球體、鈍錐體等)公式,把相位轉化為尾跡的電子密度。Active lipase is associated with the membrane of the spherosomes.
活躍的脂肪酶與圓球體的膜相結合。The earth is an oblate sphere
地球是個扁圓球體。( 2 ) the causation that the caustic phenomena of electromagnetic wave propagation in two - dimension concave reflectors occurs and the types of singularities in caustic fields are investigated, and the conclusion that there are two types of singularities ( fold and cusp ) in caustic fields in two - dimension concave reflectors is obtained ; by symplectic geometrical method, formulations of computing wave fields in and far away from caustic fields in two - dimension concave reflectors are deduced, and the results are plotted in pictures. ( 3 ) the cause of the caustic phenomena of electromagnetic wave propagation in three - dimension concave reflectors and the types of singularities in caustic fields is discussed, and the conclusion that there are three main types of singularities ( fold, cusp and swallowtail ) in caustic fields in three - dimension concave reflectors is obtained ; by symplectic geometrical method, the formulae of computing wave fields in and far away from caustic fields in three - dimension concave reflectors are deduced. particularly, the wave fields in ellipsoid concave reflector are computed, and the results displayed in special sections are given
論文主要包括三個方面: ( 1 )分析了凹面反射的焦散現象,給出了不同凹面反射的焦散圖; ( 2 )分析了二維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類,得出了二維凹面反射波動場焦散區奇性主要有折疊( fold )和尖點( cusp )兩種的結論,利用辛幾何方法構造了圓錐曲面反射波動場非焦散區和焦散區的通用計算公式,並給出了圓柱面、橢圓柱面及雙曲柱面反射的計算結果; ( 3 )分析了三維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類,得出了三維凹面反射波動場焦散區奇性主要有折疊( fom 、尖點kusp和燕尾k )三種的結論,提出了利用辛幾何方法計算三維凹面反射波動場非焦散區和焦散區的計算方法,並給出了三軸不等橢球體凹面反射波動場的計算結果剖面圖。This paper introduces the ball lapping model of spring - loading lap tools for the four shafts ball - lapping machine and explains the small tendence mechanism of the ball roundness error using the effets of cutting high points and homogenization lapping error
摘要從建立四軸球體研磨機彈簧加壓球體研磨的力學模型入手,運用高點切削作用機制和誤差均勻化效應,解釋了球體圓度誤差趨小化研磨機理。At places in the thickest layer they are present as ellipsoidal globules, 1-10mm in length.
在最厚巖層中,有的地方它們呈橢圓形球體,長110毫米。Elliptical galaxies range in shape from almost perfect spheres to flattened globes
橢圓星系的外形范圍從幾乎完美的球體到壓扁的球。Formulas of inversion and cosine transform spectrum of gravity anomaly of sphere, infinite horizontal cylinder, infinite and finite stretched staircase were deduced
推導出球體、無限長水平圓柱體、無限和有限延伸垂直臺階的重力異常餘弦變換譜及反演表達式。The cosine transform spectrum of sphere are about the same as that of infinite horizontal cylinder, and that of infinite stretched staircase are very sharp, but that of finite stretched staircase presents well - regulated leap
球體與無限長水平圓柱體的餘弦變換譜相似,無限延伸垂直臺階的變化很尖銳,有限臺階的表現為上、下有規律的跳躍。This paper founds mathematical model of twin - floater ocean wave generate electricity device, and analyzes primary parameters on the base of mathematical model for searching the optimal solution during designing this electricity device. it presents the method calculating the ocean wave forces on the several ideal floaters such as cube, vertical cylinder, horizontal cylinder, sphere by the theory that froude - krylow presupposition calculates a big diving body
在研究浮子幾何形狀與浮子所受波浪力的關系的過程中,本文利用弗汝德-克雷洛夫假定法計算大尺度潛體上的波浪力的思想理論來推導作用在幾種常見理想浮體:長方體、垂直圓柱體、水平圓柱體和球體上的垂直波浪力。Since, then, it has a furthest limit, it is complete on every side, like the mass of a rounded sphere, equally poised from the center in every direction ; for it cannot be greater or smaller in one place than in another
然而,由於存在者有一條最後的邊界,它在各方面都是完全的,好象一個滾圓的球體,從中心到每一個方面距離都相等,因為不能在哪個地方大一點或小一點。A new study of specially spherical - glowing optical fiber is present in this paper, a large core silica optical fiber is melt the ball and is spread all scattering body evenly on the round spherical terminal surface, which is melt the ball to the spherical terminal surface again, thus getting the output optical fiber needed. 4. designing the system of testing the specially spherical - glowing optical fiber
3 .設計研製了一種特殊球形輸出光纖,實驗中採用大芯徑石英光纖,利用光纖熔接機對石英光纖端面進行熔球,在圓球形端面上均勻塗上光散射體,對所得的球形端面再次進行熔球,從而得到所需要的輸出光纖。Curve traced on an imaginary sphere with the source at its center and joining all the points corresponding to those directions in which the luminous intensity is the same, or a plane projection of this curve
在一個以光源為圓心的虛擬的球面上,將光源射向球體上光強相同的各方向的點用線連接起來,就成為等光強曲線。The greater the number of faces in the platonic solid from which the dome is derived, the better approximation the platonic solid is to a sphere
我們利用越多面的柏拉圖方體來建造圓頂,得出的圓頂越和球體近似。Ball valve design includes reinforced / enhanced ptfe seats and electroless nickel plated brass ball, blow - out proof pressure retaining stem, and low profile oval handle
球閥結構包括強化聚四氟乙烯( ptfe )閥座和非電解鎳鍍層黃銅球體,防吹出壓力保持閥桿,以及低矮型橢圓手柄。In order to verify the feasibility of the present method, chapter 3 takes the fluid flow of sphere, cylinder and the additive mass of two spheres as three examples, finishes the calculation by disposing the source or sink whose strength is expressed as the format of nurbs and emphatically the processing of the singular integral. it can be drawn from the comparison of the results of present method and the theoretical solution, i. e. a good precision can be gotten under a few collocation points with the method
為了考查本文方法的可行性,第3章以圓球體繞流、圓柱繞流以及兩個等圓球體在流場中的附加質量作為例子,通過在物體表面布置強度以非均勻有理b樣條表達的源匯和著重對奇異積分的處理后完成了相應的計算,從與理論解的比較可以看出本方法的優越:在數目很少的配置點下數值解可取得十分良好的精度。Spherosome a small spherical organelle of plant cells, about 0. 5 - 1. 0um in diameter, bounded by a single membrane and storing lipid
圓球體:植物細胞內的小型圓球樣細胞器,直徑在0 . 5 ~ 1 . 0微米之間。由單層質膜結構和結構包被,還含有一些貯藏脂類物質。Ball valve uses ball with circular hole as open - close part, through turning ball with stem to realize on - off movement. ball valve is mainly applied to stop, distrubute and change flowing direction of medium
球閥是用帶圓形的通孔的球體作啟閉件,球體隨閥桿轉動,以實現啟閉動作的閥門,球閥在管道中主要用於切斷,分配和改變介質流動方向。1961 earth is a ‘ slightly irregular ellipsoid, according to photographic data received from vanguard 1 and 2
根據接收到的「先鋒1號」和「先鋒2號」人造衛星發回的攝像資料,地球是一「稍不規則的橢圓球體」 。2. to simulate accurate raw data of spaceborne sar, models of satellite with elliptical orbit and targets with rotation of the earth are adopted in the process of calculating between the satellite platform and target
為了模擬得到精確的星載sar原始數據,本文在計算各時刻星載sar平臺與目標的距離時,採用了精確的數學模型:其中星載sar平臺運動軌跡採用橢圓軌道模型,地球採用橢球體模型。分享友人