在实验上

The linear internal and external parameters of high precision calibration of the camera are derived based on three unparallel coplanar lines.

算法用仿真实验和实拍图像都得到了精确、可靠的结果，在精度上明显优于基于共面点的算法。

Whereafter the advantage and shortage of this method are analyzed by experiments, and at last a prospect is given.

最后本文在实验的基础上分析了程序的优点与不足，并对今后研究和发展的方向进行了展望。

Department of orthopaedics, Xiangya Hospital, Central-south University, Changsha, China3 Objectives: To study cervical adjacent zygapophyseal joint stress distribution following two level ADR and ACDF on, in order to provide biomechanical reference for clinical application of two level ADR. Methods: Eleven healthy adult fresh-frozen multi-segmental cervical spine segments were utilized in this study and biomechanically evaluated under the following C4/5, C5/6 cervical disc conditions:⑴intact spine;⑵he Bryan Disc prosthesis implantation;⑶the intervertebral fusion.

取11具新鲜完整的成人下颈段标本，按实验先后分别制成C4/5、C5/6椎间盘完整、椎间盘置换、椎间融合三个模型组，在标本上施加轴向分级载荷，将微型阻电式压力传感器置入C5/6、C6/7关节突关节内，测量合组各分级载荷下C5/6、C6/7关节突关节内的压力。

At present, the research of rock is mainly setting up on the basis of experiments.

目前，岩石渗透率的研究主要是建立在实验基础上。

The bacteria's genes were all constructed in the laboratory "from four bottles of chemicals on a chemical synthesiser, starting with information on a computer," he said.

他表示，这一人造细菌的基因均在实验室内构建，&从电脑上的信息开始，使用四瓶化学物质和一台化学合成装置来构建的。&

He had expended much time and energy on that experiment.

他已经花费了许多时间、金钱在那个实验上。

He had expended much time and energy on that experiment.

他已经花费许多时间、金钱在那实验上。

We expended much time and effort on the experiment.

我们在该项实验上花费了不少时间和精力。

Japan has been experimenting with art for longer than China, but still not very long.

日本比中国在艺术实验上的时间要长，但仍然不是很长。

On the basis of the experimental study, this paper explores a comprehensive approach to teaching...

在实验的基础上，本文提出适合中国语境的英语词汇综合教学法。

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。