基本解釋束幾何英漢例句雙語例句Study on fast and quantitative reconstruction algorithms for dynamic SPECT(4 dimension) under fan-beam geometry is conducted.為實(shí)現(xiàn)4維動態(tài)SPECT圖像的快速定量重建，提出了一種用于扇形投影方式下的解析重建算法。In this paper, high efficient backward stimulated Raman compression is obtained pumped by high power KrF laser using focused beam geometry.利用聚焦的后向拉曼過程實(shí)現(xiàn)高功率準(zhǔn)分子激光的高效脈沖壓縮。Taking power saving as its aim, this paper makes kinetic analysis and dynamic optimization of the hasic geometry of beam pumping units by means of numerical mathematics and mathematical programming.本文以節(jié)能為目標(biāo)，用計算數(shù)學(xué)和數(shù)學(xué)規(guī)劃的方法，對游梁式抽油機(jī)主體機(jī)構(gòu)進(jìn)行了動力分析及動態(tài)優(yōu)化。beam geometry更多例句詞組短語短語crossed -beam geometry 交叉波束幾何narrow w beam geometry 窄束幾何條件broad beam geometry 寬束幾何條件;寬射柱幾何;寬線束圖形Beam geometry optimization 束構(gòu)形優(yōu)化broad d beam geometry 寬束幾何條件beam geometry更多詞組專業(yè)釋義數(shù)學(xué)束幾何學(xué)物理學(xué)射柱幾何