5) Stationary and non-stationary random analyses of astronautical structures, which are investigated by using and improving the pseudo excitation method ( PEM).

1、

This paper introduces the conditions and development trends of the dynamic measurement at home and abroad, analyses the requirements for developing astronautical technology of our country to dynamic measurement.

阐述了国内外动态计量的发展情况，分析了我国航天技术的发展对动态计量的要求。

互联网摘选

2、

As a novel structural and functional material, metal foams have been widely applied in aeronautical, astronautical, mechanical, and electromagnetic fields.

作为一种新型的结构材料和功能材料，泡沫金属由于其良好的机械性能和电磁性能已被广泛应用于航空航天、机械、电子等领域。

互联网摘选

3、

Especially, the amorphous Ti-based braze materials which are widely used in astronautical and aeronautical fields were elaborated particularly.

对不同状态钎焊料的性能特点进行了全面的比较，特别是对在航天、航空领域广泛应用的非晶钛基钎焊料进行了重点介绍。

互联网摘选

4、

Considering the present environment of China, the way to apply astronautical technology in foundational industry and reasonable measures to be adopted have also been put forward.

结合我国实际情况，提出了我国航天技术向基础工业转移的途径和应采取的对策。

互联网摘选

5、

Representing the most complicated, advanced and integrated level of astronautical technology, Space Station has more important applications than other spacecrafts.

空间站代表着当今世界航天技术最复杂、最先进、整合程度最高的水平，具有重要的、其他航天器不可替代的作用。

互联网摘选

6、

These methods may be introduced into systematic analysis, design, estimation and simulation of physics, astronautical and other engineering, and economics etc.

所述的方法可用于物理、航天与其他工程以及经济等系统的分析、设计、估计与仿真中。

互联网摘选

7、

Results shown that it is necessary to institute a suitable safety assessment standard for surface cracked astronautical thin-walled pressure vessels.

讨论了对宇航薄壁压力容器表面裂纹建立安全评定标准的必要性。

互联网摘选

8、

Some Mathematical Problems of Astronautical Technics

航天技术中的若干数学问题及其解法

互联网摘选

9、

The space environment, especially the solar-terrestrial space environment, has close bearings on mankind's astronautical activities.

空间环境，特别是日地空间环境是人类航天活动关系极为密切的环境。

互联网摘选

10、

Hydraulic vibration generator system was developed for simulating environmental vibration tests to meet special demands of aeronautical and astronautical industry.

液压振动台是为满足航空航天工业领域的特殊需要而发展起来的振动环境模拟试验设备。

互联网摘选

11、

The high reliability, long life expectance and reusability are especially important for astronautical products.

高可靠性、长寿命和重复使用对航天产品尤为重要。

互联网摘选

12、

Aeronautical and astronautical scientific and technical documentation application of space techniques relating to aviation

航空航天科学技术文献空间技术应用于航空

互联网摘选

13、

C/ E composite triangular grid shells are one type of advanced astronautical structures.

碳-环氧树脂（C/E）复合材料三角形网格加劲壳是一种先进的宇航结构。

互联网摘选

14、

Analysis of International Astronautical Insurance Market

国际航天保险市场的理性分析

互联网摘选

15、

Development of Astronautical Technology and the Foundational Industry

航天技术与基础工业的发展

互联网摘选

16、

JJ Grey is a natural storyteller.

JJ格雷是个天生讲故事的人。

互联网摘选

17、

The articles sold on European markets and the JJ Disheng Department Store are all articles of the third generation.

现在欧洲市场上和上海迪生商厦里卖的拉利克艺术玻璃制品，都是第三代制品。

互联网摘选

18、

Pine has played Captain Kirk across three films, the first two of which were directed by JJ Abrams.

派恩曾在前三部中饰演寇克舰长，前两部由J·J·艾布拉姆斯执导。

互联网摘选

19、

Haha, I had dinner with my friend, a very nice and excellent jj.

哈哈，我和我的一个朋友一起吃饭了，一个人好又优秀的姐姐。

provided by jukuu

20、

JJ: What do the flowers mean?

这些花代表什么？

互联网摘选