通过反复的练习 Through repeated exercise ; Through repeated practice
通过反复试验 through trial and error ; By Iterative Trial
通过反复研讨解决 thrash out
通过反复试验学习 Learn by trial and error
通过反复实验研究 Through Repeated Experimental Investigation
通过反复地提出问题 inquiry based dialogue
通过反复返修完成产品 Through repeated returns complete product
最后他们利用一款强大的计算机程序来重建这个反复通过X光射线扫描物体的3d图像。
They then used a powerful computer programme to rebuild a 3d image of the object scanned by rewinding the passage of the X-rays.
本试验用强迫猪链球菌反复通过不易感的鸡体继代的生物学方法，选育出一株弱毒猪链球菌。
The C_(135) strain attenuated from a prototype of streptococcus suis through repeated insusceptible chicken passage pathway is successful and here presented.
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