Again, we must move past the theoretical level.

From case to rise to the theoretical level, in-depth study.

从案例上升到理论层面进行深度研究。

Changing ideology and enhancing theoretical level; improving teaching methods;

转变思想认识，提高理论素质：改进教学方法，创新教学模式；

Their training will be at a more theoretical level.

他们的培训将更注重理论层面的东西。

Ink theoretical level, to better guide my practice creation.

提高自己的水墨理论水平，以便将来更好的指导我的实践创作。

What theoretical level has the study reached?

研究的理论水平处于什么层次？

Based on the theoretical model, the length of trajectory, number of grinding marks and grinding stable period are deduced. The relationship between grinding surface quality and the density of grinding marks is theoretically analyzed.

在运动学模型的基础上，推导了磨粒轨迹长度、磨纹数量以及磨削稳定周期的公式，并分析了磨粒轨迹对表面质量的影响关系。

Then, the theoretical meshing arcus length and the simutaneous meshing tooth numbers of four tooth and two tooth difference harmonic drive are analyzed.

对双波四齿差和二齿差谐波齿轮传动的理论啮合弧长和可能同时啮合的齿对数进行了分析比较；

This makes it possible for theoretical powder charge length of a row or a tier boreholes to be further calculated complexly for wider use.

从而可进一步对一排（层）炮孔理论装药长度进行复合计算和更广泛使用。

The harmonic chain drive has a periodically varied theoretical chain length during its operation. This paper analyzes the changes in theoretical chain length when wave generator is at different positions, and indicates their effect on driven sprocket angular speed and transmission ratio.

谐波链传动在传动过程中所需链条的理论长度呈周期性变化，分析了传动中波发生器处在不同位置时链条理论长度的变化情况，并指出了这种变化对从动链轮角速度及传动比的影响。

On the basis of analyzing transiting characteristics of the rope in transiting area, two theoretical formulas length and angle of transiting area are derived by means of differential geometry, mechanics and mathematical analysis methods.

从钢绳多层缠绕过渡过程入手，运用微分几何、力学、数学分析的方法，研究钢绳过渡情况，提出层间过渡块的几何形状和计算公式及钢绳圈间过渡长度和角度理论公式。

Installation error will cause the bevel gear meshing error in low-load or overload conditions, the actual contact length is less than or greater than the theoretical contact length.

安装误差会引起锥齿轮副啮合误差，在低载或重载条件下，实际接触长度小于或大于理论接触长度。

Then theoretical resonance length, small end diameter, displacement node, magnification factor, shape factor and other parameters of the amplitude amplifier pole could be determined.

确定出其理论共振长度、小端直径、位移节点、放大系数、形状因数等参数。

Study of Theoretical Plate Length on the Inclined Plate Separator

斜板沉降器的理论板长的研究

The change of pressure in the flow passage of plate thin channel filter device and the main factors effected on the largest theoretical length of plate thin channel filter device at the lower pressure ( < 5 × 10 5Pa) were discussed.

探讨了稳态状态下板式膜过滤器薄层通道中压力变化的规律，并讨论了低压下（＜5×105Pa）影响板式过滤器理论最大过滤组件长度的主要因素。

Finally, the predictability of short term climate forecast is discussed, and it is pointed out that the theoretical limit of the lead time in monthly and seasonal scale prediction is about 6 12 months and that of the accuracy ( P) is 80% 85%.

文中探讨了短期气候预测的可预报性问题，提出月、季尺度气候预测的可预报性的理论上限可能为6～12月，准确率在80%～85%之间。

A number of observational, theoretical and experimental works lead to the conclusion that local plant species diversity can have important effect on ecosystem functioning.

许多有关物种多样性-生态系统功能关系的观察、理论和实验研究都表明，在局域尺度范围内，植物种多样性对生态系统功能具有重要影响。

This study also provides a theoretical basis and reliable lead compound for the further development of the antioxidant drug which prevents and treats COPD.

本研究也为进一步开发出防治COPD的抗氧化药物提供了理论依据和可靠的先导物。

Lastly, the author proposed negative opinions to the main theoretical views of HE lead and put forward the principles founding the new leads.

最后，对头胸导联的主要理论观点提出了不同的意见，并提出了作者关于建立新导联的原则。

The result provide clues of plant response signal processes under lead stress and provide a theoretical basis for alleviating lead pollution.

本文对重金属铅胁迫下植物应答的信号过程提供了线索，为缓解重金属铅污染提供了一定的理论基础。

Thus it can raise the level of theoretical research of news lead and strengthen the practical guidance news lead optimization efforts.

如此则促进导语研究的理论提升，加强了优化新闻导语写作的实践指导。