应用比较分析方法，对免耕整秸秆半覆盖技术进行了技术经济效果评价。
Technical economic evaluation on no-tillage with stalks mulching was made with comparative analysis method in this paper.
首先应用比较分析方法，通过比较提速前后车站列车到发的情况，分析客车提速对列车到发的影响。
Using comparison research method, it analyses the influence on train's arrival treatment and departure, through caparisoning arrive circumstance in front and back of speed up.
方法：应用实证研究、定量分析和文献比较方法。
Methods. Positivism study, quantitative analysis and document comparison analysis were applied.
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