Carbonate rocks and sandstones are important gas oil reservoirs. The secondary pore space caused by the deep karstification during buried period is the effective space of gas oil migration and accumulation.

Because of influence of aperture of migration operator, the image of 3-D seismic data volume in space is smeared after migration, which is unfavorable for detecting the faults.

但由于偏移算子的孔径影响，经偏移得到的三维地震数据体在空间上被模糊了，不利于进行断层检测。

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The extensional covering fault formed in Early Indosinian orogeny provided favourable space for ore migration and storage during Yanshanian ore-fluid acti vines in Lushan-Pengshan and other relevant areas, thus playing a controlling role in ore deposit formation and distribution.

印支早期所形成的伸展拉覆断层为庐、彭及其相关地区的燕山期矿液活动提供了良好的导矿和储矿空间，对矿产的形成与分布起着重要制约。

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Meanwhile, the anion with larger volumn can provide greater three-dimensional space for the migration of lithium ions; Secondly, such kind of material has a flexible and controllable charge-discharge potential.

同时，体积较大的阴离子为锂离子的迁移提供了更大的三维空间；其次，此类材料具有灵活可控的充放电电位。

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For the purpose of processing the data from laterally variable velocity media, the operators are transformed back to space domain and migration is complemented by convolution.

为能处理介质有横向变化的叠前偏移问题，波场外推在空间-频率域中进行。

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The adjoining aquifers are the main source of coalbed water, and the saturability of movable water reaches 30% in No. 4 and 8 coal seams. The fractures and cleats are the storage space and migration channel for free water.

柳林煤层气试验区区域水文地质条件简单，围岩含水层是煤层水的主要来源，4、8号煤层可动水含水饱和度为39%，裂隙及割理是重力水赋存的储集空间和运移通道。

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In the process of flowing into the city, the ethnic floating population is experiencing not only the space of migration, but also the conflict and collision of culture. They are adapting to the urban constantly, and achieving the urban identity.

在流入城市的过程中，少数民族流动人口经历的不仅仅是空间上的转移，更经历了不同文化的冲突与碰撞，并在矛盾和冲突中不断适应城市，实现对城市的认同。

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In the last section the author states that the freedom of migration can be investigated from the perspectives of logical constitution, purpose and space of migration.

在这一章的最后一节中，作者认为迁徙自由权的外延可以分别从逻辑构成、迁徙目的（或原因）、迁徙空间等标准进行考察。

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Meanwhile the reflectivity of system reached 81.03%, the ratio of expanded beam is 1:12.04, the space migration of laser emission axis and CCD camera axis is 0.31 mrad.

其中，系统的反射率达到了81.03%，激光扩束比为1：12.04，激光发射轴和CCD摄像轴的空间偏移量为0.31mrad。

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Summarized: Succession development of sedimentary systems, structure controlling deposition centre, deposition space migration significantly, frequent changes of water depth.

总结为：沉积体系继承发展、沉积中心构造控制、沉积空间迁移明显、水体深度变化频繁。

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As a hot spot on the research of space navigation in recent years, X-ray Pulsar-based Navigation ( XPNAV) can offer abundant navigation information, such as position, velocity, attitude and time etc. for the spacecrafts in near-Earth orbit, deep space and interplanetary space.

X射线脉冲星导航（X-ray Pulsar-based Navigation，XPNAV）是近几年空间导航领域研究的热点，可为近地轨道、深空及星际空间飞行的航天器提供位置、速度、姿态和时间等全面的导航信息。

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A new method for measuring near-earth orbit ballistic parameters of multi, faint, small and dim targets is proposed on the basis of analysis and demonstration of sensor selection for multi-target detection, target extraction and data processing.

在对多目标探测所用传感器的选择、目标提取和数据处理等三方面技术问题进行分析论证的基础上，提出了一种新的多、弱、小、暗目标近地弹道参数测量方法。

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In this paper we did research on the heat flow, temperature, structural changes, and their influencing factors of parabolic satellite antenna in near-earth orbit, which provides future theoretical references for antenna thermal and structural design.

本文以抛物面型星载天线为研究对象，分析其在近地轨运行时的外热流、温度场和结构场的变化情况和影响因素，为天线的热设计和结构设计提供理论依据。

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Space debris will make available space in the outer space more and more crowded. In particular, the pollution of near-earth orbit space will increase the accident rate in the outer space.

空间碎片会使外空可利用空间越来越拥挤，尤其对于近地轨道空间的污染，会加大外空事故率。

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The property can offer position, velocity, and accurate time navigation information for the spacecrafts in near-earth orbit, geostationary orbit, elliptic orbit or interplanetary orbit.

这一特性使其能够为近地轨道、地球同步轨道、大椭圆地球轨道、地月轨道及星际空间飞行的航天器提供位置、速度和时间等丰富的导航信息。

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The space experiments are carried out in the chinese sixteenth scientific and technological exploration satellite. The satellite was flew around the near-earth orbit about 15 days.

空间实验是在我国第16颗科学探测与技术试验卫星上进行的，卫星在近地轨道运行15天。

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The main consideration is the orbital control precision of orbit maneuver. Finally, through the whole orbital dynamics simulation, based on the high target orbit rendezvous mission, the verification of the orbital maneuver strategy is feasible.

最后本文通过全轨道动力学仿真，验证了基于高轨目标交会飞行任务的轨道机动策略是可行的。

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This paper provides a new optimal control method for orbital maintenance and maneuver, which begins with the kinetics equation of spacecraft and is based on the linear discrete optimal control theory, establishes the relative optimal control model and gives its solution.

从航天器的轨道运动学方程出发，运用线性离散系统最优控制理论，提出了一种用于航天器轨道维持与轨道机动的最优控制方法，建立了相关的最优控制模型并给出了求解该模型的算法。

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Finally, this paper tried to start a new research field that named as Rendezvous Area and Space Control Body, by introducing these concept, visualization for large scale orbital maneuver was able to show directly.

最后，论文尝试性的提出并研究了点对面的机动及追踪器控制体的概念，给出了高度直观的大范围轨道机动可及范围，从面的覆盖的概念上分析得到了最佳机动时限。

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Hydrogen and oxygen orbital maneuver thruster, based on gas-dynamic resonance ignition, is a new liquid rocket propulsion technology, and is especially applicable to space station.

基于气动谐振点火技术的氢/氧变轨发动机是一项新型的液体火箭推进技术，尤其适用于空间站应用。

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When the satellite takes orbital maneuver, the control force may stimulate the vibration of the flexible appendages and, therefore, affects the attitude of the satellite.

卫星轨道控制期间，轨道控制推力会激振挠性太阳帆板，从而也影响卫星的姿态。

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