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Spacecraft attitude dynamics and the analytic and numerical methods for studying chaotic motion in engineering systems are respectively surveyed.

概述了航天器姿态动力学的研究内容和研究工程系统中混沌运动常用的解析和数值方法。

In addition, Anasazi "engineers" surveyed and then constructed more than 250 miles of wide, straight roads to link their communities to each other and to the outside world.

另外，ANASAZI 的工程师勘察和修建了250公里多宽的整齐的公路，用来群落内部的连接和群落与外部世界的连接。

During about twenty years till now, the plentiful and substantial achievement of the research on polar microbiology was obtained by Chinese scientists. The areas surveyed included the locations of great wall station and Zhongshan station, and their surrounding country and air, water, the waters of the southern ocean, Antarctic region, Bering Sea and Chukchi Sea etc, the Arctic Ocean, the living and nonliving materials and Qinghai-Tibet plateau.

中国自行组建的极地微生物学调研起始于上世纪80年代初，迄今20余年来，中国极地微生物学研究取得了丰硕的成果，调查范围涉及南北极，包括南极长城站、中山站及其附近区域土壤、空气、水体和南大洋水域，及从中取得的生命和非生命材料、白令海和楚科奇海、波弗特海、加拿大海盆等北冰洋海区，及青藏高原等等。

Methods Tongren area industry,agriculture,anthropic factor which caused the environmental pollution and food security problem were surveyed.

开展对铜仁地区工业、农业、人为造成环境污染与食品安全问题实验与卫生学的调查分析。

In Armenia, the worst offender of the 108 countries surveyed, 93% of software is reckoned to be illegal.

在被调查的108个国家头号盗版国家亚美尼亚有93%的软件被认为非法软件。

The life cycle unit cost and military performance of three types′ material concrete are surveyed in this paper, which are steel fibred concrete, cement concrete and asphaltum concrete.

1引言钢纤维混凝土是在水泥混凝土中均匀乱向地掺入短而不连续的钢纤维，使混凝土变成了以钢纤维为拉结料的复合混凝土材料。

Women also are more likely to enjoy investing in real estate than men: 44% of women surveyed find buying property more enjoyable than investing in aion account other asset classes.

女性也可能比男性更喜欢投资房地产：44%的受访女性认为投资房地产比投资其它资产更有乐趣。

This system can be surveyed in early days to the fire and autoalarm, can output and link the signal of putting out a fire in time according to the position of condition of a fire , start corresponding fire controls facility, put out a fire .

该系统既能对火灾发生进行早期探测和自动报警，又能根据火情位置及时输出联动灭火信号，启动相应的消防设施，进行灭火。

With the current population growth in Western Australia in both the Metropolitan and Regional areas, it has been surveyed and documented that the Health Services including Dentistry are expected to be in great demand in the next 10 years, providing an expansion in the Dental Profession and a need for highly trained support staff.

随着西澳城市及郊区的人口持续增长，很多调查显示在未来10年内包括牙科在内的公共医疗卫生服务需求量，及要求提供牙科专业人才助理的培训也将会持续增长。

However, it was training for some long-standing friction between the person investigation, could not help but be taken aback: The surveyed 200 elderly people insist on friction, almost everybody Hefatongyan, energetic.

然而，有人对一些长期坚持磨擦锻炼的人进行调查之后，不禁吃了一惊：被调查的200位坚持磨擦的老人，几乎个个鹤发童颜，精力充沛。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。