The research includes two experiments done through measuring the reaction time.
研究包含两个实验，均采用反应时测量的方法。
Over the years, many experiments have been done to test the link.
许多年来，人们做了许多实验来检查这一联系。
We have done many experiments at three meters.
三米高的自由落体实验我们做了无数次了。
Scores of experiments were done but none was successful.
作了几十次实验，无一成功。
All experiments are done in controlled Settings.
所有的实验都做了控制设置。
The early experiments were done with low resolution.
早期的实验都是在低分辨率的条件下进行的。
They had already done their experiments by yesterday.
到昨天为止，他们就已经将实验做完了。
Experiments have already been done in this field, but only on a small scale.
该领域的实验已在进行，但是仅是小规模地进行。
We have not done our particular experiments with this lower level of alcohol.
我们未对这种低水平的酒精做特殊的研究。
In the past two years, they have done many scientific experiments.
这两年中他们进行了多项科学试验。
The experiments were done most carefully again and again.
这些实验被一遍又一遍潜心致志地做过。
He had done a lot of experiments before inventing the light bulb.
在发明电灯之前他做了大量的实验。
The cutting model of PCD cutting tool was analyzed and some experiments were done.
在分析PCD刀具切削模型的基础上进行了切削试验。
Finally, a series of experiments are done and experimental results and analysis are given.
最后，进行了一系列实验，给出了试验数据和波形以及分析结论。
By the end of last term we had done five experiments.
到上学期期末之前，我们已经作了五个试验。
They had already done their experiments for 5 days by yesterday.
到昨天为止，他们的实验就已经做了五天了。
We have done many experiments other than this one.
我们做了与这个实验不同的许多实验。
What field experiments need to be done?
需要进行何种田野试验？
They will already have done their experiments for 5 days by tomorrow.
到明天为止，他们的实验就做了五天了。
Such experiments cannot, of course, be done on people, but something similar occurs naturally.
当然，这样的实验不可能把人当做实验对象。但是，有一致的天然发生的案例。
They had (already) done their experiments by yesterday.
到昨天为止，他们就已经将实验做完了。
Experiments have already been done in this case but only on a small scale.
实验已做了在这种情况下，只是小规模的。
A theory about this laser was performed in this paper, and some experiments were done.
本文对掺铒光纤激光器进行了理论和实验研究。
The experiments of kit's sensitivity, specificity and expiration date were done.
然后对试剂盒的敏感性、特异性和有效期进行了研究。
Precise experiments were done. A good agreement is obtained very good between...
实验与计算吻合良好，从而提供了既简便又可靠的设计方法。
The experiments are done to develop globular activated carbon from coal pitch.
通过实验研究，利用煤沥青研制球形活性炭。
Experiments were done for each controlling strategy and a better correcting result was achieved.
并对每种控制策略进行了实验验证，取得了较好的不对中校正效果。
They had already done their experiments when the bell rang.
当铃响的时候，他们已经将实验做完了。
They had already done their experiments when the bell rang.
当铃响的时候，他们已经将实验做完了。
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