1、DDA 1.56 ng/ml; DDD 25 ng/ml; DDE 25 ng/ml.
最低檢出限分別為DDT:25 ng/m l,DDA:1.56 ng/m l,DDD:25 ng/m l,DDE:25 ng/m l。

2、CURRENT SITUATION AND DEVELOPMENT OF DDA METHOD
非連續(xù)變形分析(DDA)方法研究現(xiàn)狀及發(fā)展趨勢

3、APPLICATION OF DDA METHOD IN STABILITY ANALYSIS OF TOPPLE ROCK SLOPE
DDA數(shù)值方法在巖質(zhì)邊坡傾倒破壞分析中的應(yīng)用

4、The extension and application of DDA method
DDA 方法的改進及應(yīng)用(英文)

5、Applying FEM and DDA to Simulate the Demolition of Frame Structure
應(yīng)用有限元和DDA模擬框架結(jié)構(gòu)建筑物拆除爆破

6、DDA is a good numerical method for simulation of demolition blasting.
不連續(xù)變形分析法對于拆除爆破模擬研究是一種具有良好前景的數(shù)值方法

7、DDA is a good numerical method for simulation of demolition blasting
不連續(xù)變形分析法對于拆除爆破模擬研究是一種具有良好前景的數(shù)值方法

8、The Application of Flexible Spring and Rigid Spring in DDA Method
柔性彈簧與剛性彈簧在DDA方法中的應(yīng)用

9、Current situation and development of DDA method theory
非連續(xù)變形分析(DDA)方法理論研究發(fā)展現(xiàn)狀

10、The Prediction Study of the Stability of Lanslide Based on DDA Method
基于DDA方法的滑坡穩(wěn)定性預(yù)測

11、Coupling of FEM and DDA Method
耦合算法原理及有限元與DDA的耦合

12、VC Implement of the DDA Circular Interpolation
數(shù)字積分法圓弧插補的VC實現(xiàn)

13、Detection of contacts between 3d blocks is a key problem in 3d DDA and DEM analysis.
在三維單元法、三維不連續(xù)變形分析法中，三維塊體的接觸判斷是關(guān)鍵的問題之一。

14、DDA interpolation arithmetic based on polar coordinates
基于極坐標的DDA插補算法

15、ON DDA TRANSVERSAL FILTERS
DDA橫向濾波器的研究

16、By the extended DDA method, the failure process of a tunnel in Japan is simulated.
的擴展dda方法，在日本隧道的破壞過程進行了模擬。

17、ERROR ANYLASIS OF TWIN DDA ALGORITHM FOR ARC INTERPOLATION
雙DDA圓弧插補公式誤差分析

18、The delay in concluding the DDA negotiations is therefore a source of continuing concern.
在達成多哈回合談判結(jié)論方面的拖延，正是外界持續(xù)擔憂的根源。

DDA翻譯