根据实验的

A study on concealed codes using moire method is presented. The theoretical analysis and experimental results are given.

提出根据莫尔理论制作隐型全息密码的方法，对此方法作了理论分析并给出实验结果。

Based on this modification and the experimental data, we first evaluate the nucleation of olivine.

在此基础上，根据已有的实验资料，首次对橄榄石相变的形核率进行了估计。

In fact, our two-pillar structure could be reduced to only one, namely, to that based on Oersted's experiment.

事实上，这两个台柱可以化成一个，就是说，化成以奥斯特实验为根据的那个。

A simulation model was set up. Simulation outcome shows that compensating torque can be rapidly regulated according to demands of dynamic loading.Stable-state error is less than one percent,and dynamic error is much more less than that of traditional PID.In the

建立了仿真实验模型，运行结果表明：补偿转矩能够根据动态加载的要求进行快速调整；稳态运行速度误差小于1%，动态误差远远小于传统PID控制。

Main contents are as follows:(1) According to the needs of statistical analysis,making a pretreatment about the experimental data.

主要研究内容如下：（1）根据统计分析研究的需要，对实验数据进行预处理。

Theoretical formulae are derived from using the cuneafe model and principle of limit equilibrium, and consequently, the equations for practical computation are established.

根据楔形体模型及极限平衡原理推导出理论计算公式并建立了实用的计算公式，计算结果与实验符合良好。

The evolution of reflectivity was calculated, and the calculated results agree with the experimental results.

根据这个理论模型计算了时间分辨反射率的演化，计算结果和实验结果相吻合。

The error model identification of accelerometers on a azimuth strapdown platform system is also concerned in the dissertation. The composite 14 position test plan of the regular hexahedron and octahedron is provided, and identification results are obtained by using improved progressive regression algorithm.

本文实验研究了方位捷联平台系统加速度计误差模型辨识方法，根据最优试验设计理论设计了正六面体和正八面体组合十四位置试验计划，并用改进的逐步回归算法给出了辨识结果。

To compare results of numerical model with experimental data, we summarized some characteristics of Bragg reflection. We found that the reflection band is wider in irregular waves than that in regular waves. The reflection coefficient was higher when waves propagated over the composite submerged breakwaters.

本文同时根据数值和实验之结果，归纳、探讨各种布拉格反射现象可能之影响因子，发现不规则波之情况下，布拉格反射之带宽较宽，且在复合式间距的潜堤布置之下，反射效果优於等间距之布置。

Carry out trials according to the research engineer's introduction and plan

根据研发工程师的要求，完成实验计划

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。