查询词典 at last

At last, the optimal coating formulation was gotten as follows: 0.5-1.0g nano-TiO2 RM301LP, 25.6g MP25 resin, 33.4g xylene, 1.4g chlorinated paraffin, 1.5g 15% slurry of organic bentonite, 0.8g green chrome, 7.7g grey mica ferric oxideand 0.6g non-float aluminum.

通过实验获得最佳防腐涂料配方为：0.5～1.0g纳米TiO_2B，25.6g氯醚树脂，33.4g二甲苯，1.4g氯化石蜡52~#，1.5g 15％有机膨润土浆，0.8g氧化铬绿，7.7g云母氧化铁灰，0.6g非浮型铝粉。

At last we introduce the principle of analog integrated circuit layout design and the layout of CID.

最后我们给出了模拟集成电路版图设计的要点并完成了CID电路各部分的版图设计。

The method includes the following steps: a semiconductor basal body is provided and the insulating layer of the semiconductor basal body is plated with light-sensitive lacquer and then is exposed in light and at last is developed; etching process is carried out to make a through hole on the insulating layer; cineration process is done, the remanent light-sensitive lacquer is removed and the temperature for the cineration process is 20-50 DEG C; wet cleaning process is carried out.

该制造方法包括如下步骤：提供半导体基体，对半导体基体的绝缘层进行镀光刻胶步骤、曝光步骤、显影步骤；进行蚀刻步骤，在绝缘层上形成通孔；进行灰化步骤，将剩余的光刻胶移除，且灰化步骤的温度条件范围是20-50摄氏度；进行湿法清洗步骤。

At Last, the circadian variation of Tyler frequency was also studied.

并获得了Tyler频率的昼夜变化规律。

In this paper, the disadvantage effects that products bring to environment are analyzed firstly, and then the concept, history, actuality and developing trend is introduced, and the relationship of green design and traditional design is analyzed. On this basis, the design methods and flow are summarized, and the green packing design is analyzed and discussed detailed, and the evaluating method of life circle and disfigurements and problem in its running process are discussed. At last, a mobile phone design is illustrated in this paper.

本论文首先分析了产品对环境的不利影响；接着介绍了绿色设计的概念、历史、现状和发展趋势，分析了绿色设计与传统设计的关系；在此基础上，总结了绿色设计的主要方法和具体流程；然后，对当前绿色设计中容易被忽视的绿色包装设计进行了详细的分析和探讨；接着对绿色设计的生命周期评价方法及其运用过程中的缺陷和问题进行了讨论；最后，本论文以手机为实例进行了绿色设计实践。

The phase of optical wave can be recovered by the intensity transport equation under the paraxial approximation For the optical system with diffraction limit, it is difficult to get the boundary radical slope of phase and sample in the circular domain boundary when using the intensity transport equation to recover the phase, consequently, we reviewed an algorithm mentioned in the reference ［4］, namely, the equation, computation domain and boundary condition are changed, then the phase is reconstructed by the multigrid method and corrected at last Moreover, the experiment system is set to testify the algorithm, and the recovered phase from the intensity data detected by CCD is compared with the result from phase retrieval algorithm, it is found that the phase reconstruction error can reach 017 λ in the case of non-uniform intensity distribution, as a result, the method is suitable for the phase recovery with low wavefront sensing accuracy.

在傍轴近似条件下，可以利用光强传播方程对畸变波前进行相位恢复。对于衍射受限的光学系统，很难获得相位的边界径向斜率值作为边界条件，此外，要获得精确的圆域边界采样值也并非易事。为了克服上述困难，进一步研究了相位恢复改进方法，即改变了方程的表示形式、计算区域和边界条件，并用多重网格法进行求解获得重构相位，最后再将其修正。为了验证算法的精确性，搭建了实验系统对算法进行实验验证，将由CCD探测的光强分布进行计算得到的相位分布与相位恢复算法的结果进行比较，证明在光强分布非均匀的情况下，该方法恢复的相位均方根误差能够达到017 λ，可以适用于波前传感精度要求不是很高的相位恢复。标签自适应光学相位恢复相位修正光强传播方程 adaptive optics phase retrieval phase correction intensity transport equation

Advances an efficient method of 2D FIR filtering based on impulse response rounding. Discusses the impulse response characteristics of 2D FIR filter. Then describes designing process of efficient 2D FIR filter based on impulse response rounding. Discusses application of efficient 2D filter with circular symmetric with eightfold symmetric frequency response. At last discusses the selection of rounding parameters.

提出了一种高效、实用的二维FIR滤波器的设计方法，在讨论了二维FIR滤波器的冲激响应特性的基础上，开发了一种基于冲激响应舍入法的高效二维FIR滤波器的设计方法，并以具有八重对称的圆对称滤波器为例讨论了高效滤波器的实现过程，最后对滤波器设计中的舍入参数的确定进行了讨论。

Then three candidate modulation schemes exploiting spatial dimensions are proposed. At last, the three modulation schemes are compared by power efficiency and bandwidth efficiency. It shows that spatial quadrature amplitude modulation scheme is appropriate for long distance wireless optical communications for its high bandwidth efficiency and spatial circular symmetry.

参照传统时域信号设计方案，提出了三种空间调制信号具体设计方案，并从带宽效率和功率效率两性能上进行了比较，结果表明正交幅度调制具有带宽效率高、功率效率低的特点，而且采用的信号点越多其带宽效率就越高，另外其空间信号图案还具有圆对称性，因此非常适合在空间带宽有限的远距离无线光通信中使用。

At last, for the limition of the swarm model based on minimal circumcircle method, we extend the model to n-dimensional spaces; study the aggregating swarm behavior and flocking behavior; and analysis the stability of system.

本文最后针对基于最小外接圆方法的群集模型的局限性，在前人的研究基础上，采用求解任意维空间点集的凸壳的方法，将该模型推广到n维空间中，对n维空间中群体的聚集以及迁徙行为进行建模和稳定性分析。

At last, this paper provides advices of future works in CIST.

论文最后提出了对CIST下一步工作的展望。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。