He has done it by exploring, by experimenting, by trying it out and seeing whether it works, by gradually changing it and refining it until it does work.
他不断探索、实验、尝试并检验成效，不停修改、改进，直到它能顺利运行。
Recycling it requires only a tiny fraction of the energy consumed when mining bauxite and refining it into the same amount of metal.
回收它们所需要消耗的能量，跟重新开掘并提炼相同质量金属的能耗相比，只是一个很小的数目而已。
That's pretty crude right now-we're refining it-but we're getting the first statistics that are allowing us to make those estimates.
那样概括可能太粗糙了，我们正在完善它，但是我们正在获取允许我们做出那些估计的第一手统计资料。
The next spring, Dr. Dornhaus moved her study to the well-flowered thyme, lavender and wild rose shrublands of Spain, repeating her experiment and refining it.
第二年春天，多恩·豪斯博士把研究场所改到盛开着百里香、熏衣草和野蔷薇的西班牙灌木丛林，重复了她的实验，并对实验加以改进。
Then we iterate on the product, refining it with the feedback - over and over and over again.
根据不同的反馈，我们会精益求精，不断完善我们的产品。
Then we iterate on the product, refining it with the feedback - over and over and over again.
根据不同的反馈，我们会精益求精，不断完善我们的产品。
应用推荐