D. Catching the drift of the content instead of understanding every word and never waste too much time on single words.
作听力练习要重材料大意，而不要力求听懂每个词，不要在单个词上浪费太多时间。
The drift of droplets in spraying diluted 2,4-D butyl ester emulsion by Yun-5 aircraft mounted the GP-81 nozzle has been studied, and a mathematical model has also been set up in this paper.
通过田间试验研究，探索了装配GP—81喷头的运五型飞机喷洒2，4—D丁酯乳油稀释液的雾滴漂移状况，建立了有关数学模型。
Pseudospectral method is used to solve the driven -damped 1-d nonlinear drift -wave equation. Some problems in the computation are discussed.
介绍了用赝谱方法数值求解非线性漂移波方程，讨论了计算中遇到的一些问题。
D. Catching the drift of the content insteoffer of understanding every word and not waste too much time on single words.
作听力练习要重质料梗概， 而不要力求听懂每个词，不要在单个词上浪费太多光阴。
D. Catching the drift of the content insteoffer of understanding every word and not waste too much time on single words.
作听力练习要重质料梗概， 而不要力求听懂每个词，不要在单个词上浪费太多光阴。
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