computed fields 中文意思是什麼
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( 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。 -
In ndt fields, ict ( industrial computed tomography ) can get the 2d tomogram and the technician can get the information of the location, the shape and the area of the details
工業ct在無損狀態下能獲得被檢斷面的二維灰度圖像，從圖像上可以直觀地看到目標細節的位置、形狀、大小。 -
Abstract : according to the continuative condition of the tangential fields on the slot aperture which is the inclined narrow - slot on the broadwall of a sectoral waveguide, the moment method is used to calculate the magnetic current coefficient and distribution. then the scattering field, the scattering parameter and the equivalent impedance are obtained. leting only the te11 dominant mode propagates in the waveguide, the scattering parameters and the normalized equivalent series impedance in the x - band are computed. the basis disigned the slot antenna and the slot array is offered
文摘:根據縫隙口面切向場的連續條件，採用解析數值法矩量法，對扇面波導寬壁上窄的斜縫進行了計算，解得了磁流系數及其分佈，並得到散射場、等效散射參量及等效阻抗等重要參數.假定波導中僅有te11主模傳輸，在x波段計算了散射參量和歸一化等效串聯阻抗，給出計算結果，為縫隙天線和縫隙陣列設計提供了依據 -
Based on the construction schedule and thermodynamics parameters of certain rcc arch dam, the temperature and stress fields during construction and service are simulated and computed, and also the computation results are compared with the practical observation data ; the comparison results show that the computation results are reasonable
根據某工程碾壓混凝土拱壩施工過程和材料熱力學試驗參數，進行了施工期和運行期溫度場和應力場模擬計算，計算成果與施工期觀測資料進行了對比分析，二者吻合較好。 -
All the improvements included the modifications on the sound velocity, characteristic mach number and the mach number at the grid interface. several 2d flow fields which had shock, shear flow, rarefaction wave, or turbulent boundary layer and the combination of them were computed
該格式改進了聲速、特徵馬赫數的處理方式，對網格界面馬赫數進行了修正，並求解了含有脫體激波、斜激波、剪切流、膨脹扇、及湍流附面層等流動特徵的復雜流動。 -
All non - computed fields defined in the notification schema
通知架構中定義的所有非計算欄位。 -
All non - computed fields are defined in the notification schema
所有非計算欄位均在通知架構中定義。 -
If you use computed fields, do not add values to these fields
如果使用計算欄位，則不要將值添加到這些欄位。 -
Finally, in orthogonal curvilinear coordinate systems numerical model is established and applied in the yangtze river estuary in which some regulation plans are taken include submerged jets and groins. verifications are also done to verify water level and velocity. flow fields are computed for the analysis of effect of regulation engineering on the whole water area
最後，應用正交曲線網格技術，建立了正交曲線坐標系下廣義淺水方程的計算模式，將之應用於長江口深水航道整治工程的流場計算，進行實測水位、流速驗證和流場模擬。 -
A construction of authentication codes with arbitration from subspace of vector space over finite fields is presented, the parameters of the code are computed
摘要利用有限域上向量空間的子空間構作了一個具有仲裁的認證碼，計算了這個碼的參數。 -
By applying the boundary conditions and the orthogonality of spherical vector wave functions, an adequate number of relations between the unknown coefficients is generated. from all these discussions, the scattered fields and normalized scattering cross sections are computed
通過以上討論，即可建立起足夠多的決定各展開系數的方程，求出散射場系數，進而求出散射場及散射截面。 -
This paper describes a new construction of authentication codes with arbitration using sympletic geometry over finite fields, and their size parameters are computed
筆者給出了利用有限城上的辛幾何構造一個具有仲裁的認證碼，計算了其容量參數。 -
The surface cracks of concrete dam in the fengman projects were surveyed and detected with non - damage detection methods in the fields. the pouring process of the concrete was simulated with finite element method, and then the stress distribution in the dam was computed
對豐滿大壩溢流壩段新澆混凝土裂縫進行了現場調查、無損性態檢測；採用有限元法模擬澆築過程中混凝土內的應力分佈。 -
The form contains a number of computed fields that use an xpath expression to display the following information
該表單還包含一些計算欄位，這些計算欄位使用xpath表達式來顯示以下信息： -
If you use computed fields, do not insert values into these fields ; the values for those fields are computed when you insert the notification data
如果您使用計算欄位，則不要將值插入這些欄位；這些欄位的值會在您插入通知數據時進行計算。
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