The effectiveness is good after improvement.
经改进后效果良好。
It is proved that the novel roof is waterproof after improvement.
改良之后的新奇房顶证明是防水的。
The model after improvement gives the parameter more accurate physical significance.
改进后的模型使参数有了更为准确的物理含义。
Borlaug remained involved with the International Maize and Wheat Improvement Center in Mexico, even after his research took him to other parts of the globe, where he replicated the success he had had in Mexico, building his reputation as father of the "green revolution" in the 1960's.
VOA: standard.2009.09.13
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