The optimum technique is chosen after many experiments.
并经过多次试验找出了最佳生产工艺。
After many experiments we succeeded in making a boxful of matches.
多次试验后，我们终于成功地制造出一满匣的火柴。
After many experiments and studies, and finally invented the compass can be useful.
经过多方的实验和研究，终于发明了可以实用的指南针。
A complicated but appropriate and effective layout was designed after many experiments and modifications were made.
经反复修改和试验，设计出一种比较合理的灵活的复杂观测系统。
After many experiments, I believe that I now understand why some people are luckier than others and that it is possible to become luckier.
经过许多实验，我相信，我已经明白为什么有些人比另一些人更幸运，也相信要变得更幸运是有可能。
After many experiments, we have developed new-style multilayer air roller dryer and it has become the preferred model by many marigold plants.
经过大量的有效试验，新型的多层滚筒式气流干燥机试验成功，成为各个干燥厂竞相选用的机型。
A method of rapidly determining the activity of papain was described. Established after many experiments, the method was characterized by simple operation and good repeatability.
介绍了一种经多次试验、操作简便、重复性好的木瓜蛋白酶活力的快速测定方法。
No other type of tasks could compare with the project of human spaceflight engineering for after so many tests and experiments huge amount of work was still needed.
没有哪一个型号任务像载人航天工程这样，经过了这么多次试验，还要投入巨大的精力。
If requested, these experiments can be quickly accessed after landing, a feature critical to many types of experiments.
如果确有需求，这些实验结果可以在落地后马上被提取，这对很多类型实验来说是很有必要的。
After many-year experiments, the result show that bud forcing treatment can increase the survival ratio of Populus bolleana with cuttage by hard branch up to 80%-95%.
经过多年试验表明，采取对插穗进行催芽处理等一系列育苗技术措施，可使新疆杨硬枝扦插成活率提高到80%-95%。
After lots of experiments ACO has exhibited its excellent performance and efficiency in experiments for solving a great lot of combinatorial optimization problems, and now it is used in many areas.
大量实验结果表明，它在解决许多组合优化问题时都能表现出较好的求解能力，目前此算法已经得到了比较广泛的应用。
A famous French chemist named Louis Pasteur discovered and proved, after many years of careful experiments on animals, that microorganisms were responsible for certain infectious diseases.
一位名叫路易斯·巴斯德的法国化学家在经过多年细致的动物实验后，发现并证实了微生物是诱发某些传染病的原因。
After 9:00 AM, we entered the Science Museum and went to the 2nd floor to do many interesting electricity related experiments.
我们9点进去后在科技馆的二楼做了许多有关电的有趣的实验。
In order to express special aesthetic experience of human survival condition before and after World War II, in "The Stranger", Camus has done many experiments and adjustment in the narrative form.
为了准确传达自己对“二战”前后人类生存状况的独特审美体验，在《局外人》中，加缪在叙事形式上作了诸多实验和调整。
In order to express special aesthetic experience of human survival condition before and after World War II, in "The Stranger", Camus has done many experiments and adjustment in the narrative form.
为了准确传达自己对“二战”前后人类生存状况的独特审美体验，在《局外人》中，加缪在叙事形式上作了诸多实验和调整。
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