It has been done by a scientific experiment.
这是科学实验的的结果。
The work has been done by him.
那活已经被他做完了。
Part of the work has been done by us.
部分工作我们已经做完了。
Most of the damage has been done by the rats.
大部分的损害都是老鼠造成的。
Everything else has been done by other people.
其他事都是别人做的。
And just what has been done by the oiling and smoothing?
但是在车轮上涂油和把路修平有什么作用呢？
Almost every single task has been done by someone countless times before.
几乎每一项的任务，之前就有人已做了无数次。
So much of that thing has been done by these reckless Abolitionists.
那些轻举妄动的废奴派做得实在太过份了。
I'm happy and proud about what has been done by my team and what we have won.
我对自己为球队所做的和球队一起获得荣誉感到十分高兴和自豪。
The hardest work (getting the definitions right) has been done by the stylesheet.
最困难的工作（正确的定义）已经由样式表完成了。
Most of the Bash development over the past 15 years has been done by one person.
过去15年所做的Bash开发的大部分由一个人完成。
And within the G20, the heavy lifting on many issues has been done by G8 countries.
而且在G20内部，许多议题上的重要举措都是G8集团国家达成的。
Position control of d. c. motors has been done by means of pulse width modulation.
直流电机位置用脉冲宽度调制法控制。
For most of our history, reading has been done by just a few specialists, and aloud.
在早期人类历史中，只有部分专家才阅读，并且是朗声阅读。
Position control of d. c. motors has been done by means of pulse width modulation .
直流电机位置用脉冲宽度调制法控制。
I welcome the hard work that has been done by the Congress on these and other issues.
我对国会在上述问题及其他问题上勤勉于事表示欢迎。
But the greatest damage has been done by its misreading and mishandling of the crisis.
但是由于其对此次危机的误读和处理不当给自身造成了最大的损失。
A great deal of this work has been done by Sidney Fox, who has named these peptides proteinoids.
悉尼·福克斯曾在这方面做了大量工作，他把这类多肽称做类蛋白。
That's partly because much of the existing research has been done by the drug or product manufacturer.
其部分原因是，进行了现有大多数研究的是药物或产品生产商。
The study on absorption and utilization of organic nitrogen on spring wheat has been done by 15N trace method The.
应用15N示踪法探讨了春小麦对有机氮的吸收利用问题。
In new period, there is something valuable and exploration on evaluation of composition has been done by researchers.
新时期以来，语文界对作文评价做了许多有益的探索与思考。
As most work of refactoring has been done by hand, many programmers have no interest in refactoring the existing code.
目前，绝大部分重构工作仍然得靠手工完成，因为这个原因，很多程序员不愿意进行重构。
We feel that a very good job has been done by our friends on Earth, and they have offered another voice of support for us.
我们感受到一个非常好的任务被我们地球上的朋友们完成了，他们已经提供了支持我们的另外一种呼声。
The study and experiment on the repair of roller journal CO_2 shield welding with proper welding technics has been done by us.
用CO_2气体保护焊方法采用适当焊接工艺及焊接材料，对压榨机辊轴轴颈进行了补焊修复实验研究。
It is possible to make such a battery with a solid electrolyte, but until now that has been done by a process called vacuum deposition.
用固态电解质来生产这样的电池是可能的，但目前锂离子电池还是通过真空镀膜的方式来生产。
Libya's oil wealth has created a distorted society in which much of the hard work has been done by foreigners for more than a generation.
利比亚的石油财富创造出一个扭曲的社会，在其中多数艰苦工作由外国人完成，这种情况持续了超过一代人的时间。
The mechanism analysis of migration process of grouping seismicity has been done by using a model of fault interaction and stress transition.
同时，应用断层系统内各个断层相互耦合作用和应力转移的模型，去分析成组地震活动迁移过程的机理。
In general, the design of phase-lock loops has been done by a combination of linear analysis, phase plane plots, rule of thumb, and simulation.
锁相环一般采用线性分析，相平面图，近似计算法以及计算机模拟来设计。
In general, the design of phase-lock loops has been done by a combination of linear analysis, phase plane plots, rule of thumb, and simulation.
锁相环一般采用线性分析，相平面图，近似计算法以及计算机模拟来设计。
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