Being a kind of tourist commercial works, tourist art crafts should be different from the other works in its designing requirements.

Brief Notes on Tourism Culture and Aesthetics

略论旅游文化与审美

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The second part will explore the essence of tourism aesthetics which is mainly base on the ontology.

第二部分主要从本体论层面对于旅游活动进行相关研究，努力探索旅游活动的美学本质。

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Calculation on Space External Thermal Flow of Sun for Space Camera in Sun Synchronous Round Orbit

太阳同步圆形轨道空间相机太阳辐射外热流的计算

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A Research on the Permissible Variation of the Sun-Synchronous Repeating Orbit

太阳同步卫星轨道参数的容许偏差分析

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The platforms will be developed and equipped with remote sensing instruments and will be launched into sun-synchronous polar orbit so that all parts of the globe can be viewed.

为了能从空间平台对地球进行全面的观测，NASA等机构将在平台上安装各种遥感仪器，然后把它们射入太阳同步极轨道。

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The satellites were launched on board Polar Satellite Launch Vehicle ( PSLV)-C37 from the spaceport of Sriharikota in the southern state of Andhra Pradesh at 9.28 a.m. local time and were successfully placed into the polar sun synchronous orbit 28 minutes later.

当地时间早上9点28分，印度南部安得拉邦斯里赫里戈达岛的发射场，“极轨卫星运载火箭”C37火箭载着104颗卫星升空，并于28分钟后成功进入极太阳同步轨道。

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This methode can be used not only for the case of geostationary satellite, but also for the case of satellite of lower orbit ( usually sun synchronization) in which the scanning direction of the radiometer is perpendicular to the orbit itself.

这种方法既可用于静止卫星，也适用于扫描方向垂直于轨道面的低轨道（通常取太阳同步轨道）卫星。

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The Long March-8 rocket has a total length of 50.3 meters, with a takeoff mass of 356 ton. It can carry a payload of at least 4.5 ton to a sun-synchronous orbit at an altitude of 700 km.

长征八号运载火箭全长约50.3米，起飞质量约356吨，700公里太阳同步轨道运载能力不小于4.5吨。

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The rocket fills the gap in China's launch capability to the sun-synchronous orbit from 3 ton to 4.5 ton, and is of great significance for accelerating the upgrading of launch vehicles, according to the CNSA.

国家航天局表示，长征八号填补了我国太阳同步轨道3吨至4.5吨运载能力空白，对加速推进运载火箭升级换代具有重要意义。

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An orbit prediction program based on epoch state filter is designed. Then sun-synchronous orbit is taken as an example to generate the base track, amend two-line elements and predict medium and long term orbit.

设计了基于历元状态滤波的轨道预报方案，以太阳同步轨道为例生成基准轨道，并进行了双行元修正和中长期轨道预报仿真。

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The attitude control system of the earth observation satellite is a complicate, high accurate, long-life and earth-oriented three axis stable system with the solar panels orienting the sun in the sun synchronous orbit.

地球观测卫星姿态控制系统是个复杂的，高精度，长寿命对地三轴稳定，在太阳同步轨道上帆板对太阳定向的系统。

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The distinct trait of sun synchronic orbit satellite is that there will be the same sun conditions in the subpoint of the satellite wherever the satellite is, it benefits the earth reference equipments.

太阳同步轨道的主要特点是卫星在任一时刻其星下点的阳光条件基本相同，这对卫星上对地仪器的工作是非常有利的。

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The determination method of descending/ ascending node, longitude of ascending node and frozen orbit parameters for sun-synchronous orbit satellite design was analyzed on the basis of six general orbital elements.

在轨道六要素的基础上，分析了卫星太阳同步轨道设计时降（升）交点地方时、升交点赤经，以及冻结轨道参数等的确定方法。

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Systems analyzed on the design principle of near-earth orbit, regression orbit, stationary orbit, critical orbit and construction orbit. Base on this, a orbit design model is given.

系统研究了近地轨道、太阳同步轨道、回归轨道、静止轨道、临界和冻结轨道的设计原理，在此基础上，建立了轨道设计模型。

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The effect of the flat rate of the earth on the orbit planes of satellites is discussed and the design principle of sun-synchronous orbit of satellites is introduced.

讨论地球扁率对人造地球卫星轨道平面的影响，介绍卫星的太阳同步轨道设计原理。

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The on-board autonomous term orbit prediction is built according to epoch state filter. And sun-synchronous orbit satellites are taken as examples for the simulation.

采用历元状态滤波建立了星上自主中长期轨道预报方法，并以太阳同步轨道卫星为例对算法进行了仿真验证。

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A constellation of polar-orbiting satellites, equally spaced around a sun-synchronous orbit to provide continuous coverage over any given place, could solve this.

一个由极轨卫星组成的等间距分布在太阳同步轨道上的提供任何地点连续覆盖的星座可能解决这个问题。

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According to characteristic of regional exploring satellite system, an intermittent regional covering orbit design scheme is proposed using circular sun synchronization orbit.

根据区域性探测卫星系统的特点，提出了利用太阳同步轨道间歇性区域性覆盖特定区域的轨道设计方案。

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The satellite smoothly entered into the nearly circular Sun-synchronous orbit, and all the equipments were in working order.

卫星顺利进入近圆形太阳同步轨道，星上仪器工作正常。

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Two case is simulated and the feasibility is verified for near earth sun synchronize orbit and geostationary orbit.

利用数值仿真对近地太阳同步轨道和地球静止轨道两种情况进行了验证，仿真结果表明该思路和方法是有效的。

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