在实验上

He have expend much time and energy on that experiment.

他已经花费许多时间、金钱在那实验上。

The physics are one of natural sciences important disciplines, is an establishment in the experimental foundation science.

物理学是自然科学的重要学科之一，是一门建立在实验基础上的科学。

The results of this experiment can offer references in the application of Mn-Zn Ferrite in electronic devices.

本实验之结果可提供Mn-Zn Ferrite在电子元件上应用之参考。

In this dissertation, the temperature field in gun tube is studied both theoretically and experimentally. Som techniques are suggested for weapons to improve the capacity to resist cook-off.

因此本文主要围绕身管的固壁温度场进行了理论及实验研究，并提出了在枪上提高身管武器系统防自燃能力的技术途径。

The dynamic figure of merit has been introduced into the theory of high power laser.

三。在理论和实验上研究了双棒谐振腔的特性，使多棒谐振腔理论更加完善。

You will observe 4 pigment bands on the filter paper in the experiment.

我们可以从实验中观察到，在滤纸上有4条色素带。

Even so, we can still feel the formalist experiment and rich anti-realistic romantic elements in these two works. And this, of course, is partly attributed to the historical subjects therein.

但即便如此，我们仍能强烈地感受到这两部小说在形式上的实验及丰富的反现实的浪漫主义的色彩，而这与它们都是历史题材又不无关系。

This paper studies the influence on the flame transmission law in gas explosion of tube furcation.

在实验的基础上，研究了管道分叉对瓦斯爆炸过程中火焰传播规律的重要影响。

The purpose of this study was to compare the apical leakage of different root canal sealers in combination with ObturaⅡthermoplasticized gutta-percha injection technique.

本研究以单根离体牙为研究对象，采用墨汁渗透、牙齿透明和扫描电镜观察等手段，评价ObturaⅡ注射式热熔牙胶配合使用不同的根管封闭剂时的根尖封闭能力，为该技术在临床上的推广应用提供实验依据。

The world's largest test of AIDS vaccine is being hail ed as a breakthrough because it's the first time an experimental vaccine has prevented infection with the virus.

世界上最大的艾滋病疫苗试验被期待为一次突破，由于它首次在实验中阻止了病毒的传染。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。