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Secondly, the energy levels of every layer in a designed device have to be matched each other.Quantum chemical calculations were carried out in order to investigate the photoelectric performance of our target molecules. According to the results of our quantum chemical calculations, the HOMOs are usually distributed along the thiophene-perfluorocyclopentene-thiophene skeleton of diarylethene molecule in both of the open-ring state and closed-ring state.

实验表明，在阻挡层式光控载流子开关器件的设计中，要实现完全意义上的ON-OFF全开关，必须满足两个条件：一是作为光控载流子开关层的二芳基乙烯材料，必须具备足够大的开环态和闭环态之间的HOMO能级差异，在一种状态下有利于载流子的传输，在另一种状态下则可以顺利地阻挡载流子的传输；二是器件的各材料层之间的能级一定要互相匹配。

Geographic Distance and Azimuth Calculat - This article describes in detail the spherical distance and azimuth calculations and also provides sample code for three different approaches to distance calculations: one for a spherical model, and two for ellipsoid models

这个项目详细地描述了球面距离和azimuth的计算方法，提供了三种不同的方法来进行距离计算：一个用于球面模型，其它两个用于椭球模型。

Making the best use of graphics, tables charts, and cutaways of machine tool spindles, the section takes the reader through bearing life calculations, calculations of load, lubrication requirements, general considerations in spindle design, inspection, assembly running in.

最充分地利用图形，表格图表和旁跳镜头的机床主轴，该科采取的读者通过轴承寿命的计算，计算负荷，润滑的要求，一般考虑在主轴设计，检验，装配运行英寸

This includes requirements analysis, design calculations, worst case analysis, components derating calculations, circuit simulations, testing of engineering prototypes.

这包括分析工作，设计分析，失效分析，元件损耗计算分析，电路仿真分析，工程样件阶段的测试分析。

And the other is that since when the interaction gets weaker it's easier to do accurate calculations and so that enables us to do calculations to predict the behavior of quarks and muons at very high energy which is useful for describing things that happen at accelerators.

另一个是，自从当交互得到较弱的很容易做准确的计算等等，使我们能够做的计算来预测行为的夸克和介子在非常高的能量是有益的，说明事情发生在加速器。

And the other is that since when the interaction gets weaker it's easier to do accurate calculations and so that enables us to do calculations to predict the behavior of quarks and muons at very high energy which is useful for describing things that happen at accelerators.

和其他的是，自相互作用时会较弱更容易做准确的计算等等，使我们能够做的计算来预测行为的夸克和介子以非常高的能量是有益的描述事情发生在加速器。

A regulation valve of a two-stage turbocharging system is arranged into the high pressure turbine volute to reduce the system sizes. Matching calculations for the turbocharging system and a diesel engine are made. Calculations in designing of two turbine volutes and regulating valve were taken. Experiments are conducted with the designed system.

为获得结构更为紧凑的二级增压系统，提出了将调节阀集成在高压级涡轮壳内部的二级增压系统结构方案，进行了增压系统与柴油机的匹配计算、两个涡轮壳的设计计算、调节阀计算以及流动分析，并对所设计的二级增压系统进行了试验研究。

From these original, rough calculations, designers can figure out how large of a powder charge is needed, based on existing powder, and then complex mathematical calculations can determine how thick the barrel has to be to withstand this charge, and how long the barrel must be so that the powder is done burning just as the shell exits the barrel.

对这些现有的大炮进行粗略的计算，设计者们可以算出，基于现有的发射药，需要多少的装药量。然后复杂精确的计算可以测定火炮身管需要怎样的厚度来承受这些装药的威力，需要怎样的长度以便使装药在炮弹出镗的时候刚好燃尽。

This is obtained by detailed calculations, in a manner somewhat similar to that for displacement calculations and varies in detail for individual regulations; tonnage measured according to the tonnage regulations may, therefore, be slightly different from the actual volume of the spaces below the tonnage deck calculated for, say, cargo capacity.

这是得到了详细的计算方式，有点类似于位移的计算和不同的个人详细规定；吨位衡量按照吨位规例可能，因此，稍有不同的实际数量的空格甲板下方的吨位计算的，也就是说，货运能力。

In MM/PBSA calculations, we discussed the calculations of the energy terms contribution to binding free energy and proposed reasonable and practical treatment for the estimation of the entropic effect.

在基于MM／PBSA的自由能计算中，讨论了各能量项的计算，特别是对熵效应的有效计算提出了合理实用的处理方法。

I want to be a big fish in a small pond.

我要做一条在小池塘里的大鱼。

While the software functioned well, we did not feel the same about their customer support!

虽然该软件运行良好，我们没有同样的感觉他们的客户支持！