性能

Showing individually as well as together the performance of the hierarchy formation protocol, the overhead of address mapping, and the performance of the routing protocol.

我们用分析和仿真来评价这个可扩展路由协议，并显示了这种层次成形协议的性能、地址映射的开销和这个路由协议的性能。

Center-cracked aluminum alloy plate s were adhesively one-side bonded with unidirectional carbon/ epoxy composite patches by vacuum-bagging process.

利用袋压工艺、采用单向碳纤维/环氧复合材料补片对含中心裂纹的铝合金板进行了修补，测试了胶接修补前后板的静态力学性能和疲劳性能。

Center-cracked aluminum alloy plates were adhesively one-side bonded with unidirectional carbon/ epoxy composite patch es by vacuum-bagging process.

利用袋压工艺、采用单向碳纤维/环氧复合材料补片对含中心裂纹的铝合金板进行了修补，测试了胶接修补前后板的静态力学性能和疲劳性能。

In this paper, a series of low cross-linking polyurethanes are synthesized using polycaprolacton or polybutamethylene adipate or polyethylene-propylene adipate, MDI and glycerin. Their mechanical, thermal and dynamical properties and shape memory function are studied.

采用聚己二酸乙丙二醇酯、聚己二酸丁二醇酯、聚己内酯和 4，4'-二苯基甲烷二异氰酸酯为原料，以丙三醇为交联剂合成了一系列低度交联的聚氨酯，讨论了组成、配比等对性能的影响，比较了它们和线型聚氨酯在性能上的差别。

By utilizing Ultraviolet Visible spectroscope, Infrared and Raman spectroscope, the influences of kinds and content of adulterant, calcining technique and different atmosphere on the construction and performance of the SrCeO_3 basis proton conductor was also studied.

采用交流阻抗技术研究了SrCeO_3基系列高温质子导体在不同气氛下(干燥空气、氢气氛、水蒸汽气氛等)的导电性能。研究了高温质子导体器件中不同电极的制备工艺及其性能的影响。

The market makes high demands on the function of the aerator, so it is necessary to improve the design method and skill, to make innovation design of the aerator, and to advance the mechanical property, the reliability, the economical performance and the property of use.

同时，市场对曝气机的功能提出了更高的要求，需要改进设计方法和手段，进行曝气机的创新设计，改善现有产品的技术性能、可靠性、经济性以及使用性能，满足生态环境保护的新需要。

Experiment results indicate that the mechanical and aerodynamical performances on the new two-stage axial-flow compressor have met the design requirements.

运转试验及性能考核表明，双级轴流压气机实验台在机械性能和气动性能两个方面均达到了预定的设计要求。

Since the conformal structure has excellent aerodynamical performance and does not have the thermal gradient caused by the discontinuous surfaces, the missile radome with such structure may improve the velocity and effective range of the missile system.

共形结构不仅具有良好的空气动力学性能，且不存在由于表面不连续造成的热梯度等问题，因而采用该结构的导弹整流罩更有利于导弹系统作战性能的提高。

High purity aluminum or allumen (including 1% Zn, mass fraction) alclad on 2024 aerolite is usually employed for improving corrosion resistance. This alclad will greatly impact the mechanical properties of friction stir welded joint.

为提高2024航空铝合金材料的抗腐蚀性能，在其表面通常包有一层高纯铝或含Zn 1%的锌铝合金，包铝层在搅拌摩擦焊时会对接头的性能产生较大的影响。

In this thesis, the research and the development of electromagnetic safety materials have been reviewed. On the basis of the theory of the electromagnetic field, the electromagnetic wave and the interaction between the materials and the electromagnetic wave, several kinds of new composites have been prepared by adopting new methods, electroless plating and a kind of method of Fe replacement chemical aggradation, and studied by advanced measuring and analyzing components.

对电磁防护材料的国内外研究现状进行了研究，从电磁场与电磁波理论及电磁波与材料之间的交互作用出发，采用新的思路和方法，采用化学镀和一种Fe置换化学沉积法制备了新型的电磁防护材料，并采用先进的测试分析手段研究了材料在2～18GHz电磁波频段范围的电磁波吸收性能和在100KHz～1.5GHz电磁波频段范围的电磁波屏蔽性能。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷