二源的

By analyzing the characteristics of seismic rupture process and considering the three hypothetical conditions of similarity satisfied by earthquake,i e geometrical, stress environment and dynamic similarities of fault planes, the authous have studied the scaling analysis of similarity between earthquakes with various magnitudes and set up the scaling relation between sou.

本文根据Heaskel二维矩形地震破裂模式，导出了以ω立方的波谱衰减，在分析地震破裂过程特征、考虑三个主要的相似性假定基础上，即假定地震满足断层面几何相似、应力环境相似和动力学相似条件，研究了大小地震相似性问题的标度分析，建立了地震破裂和源参数之间的标定律关系。

Using manganous sulfate(MnSO4) as raw material,ammonium hydrogen carbonate(NH4HCO3) as precipitating agent and sodium dodecyl sulfate as particle size controller and through the process of quick addition of MnSO4 and NH4HCO3 solutions at same time,monodisperse submicron manganous carbonate(MnCO3) spherical particles were prepared by controlling suitable reaction crystallization conditions.

以硫酸锰为锰源，碳酸氢铵为沉淀剂，十二烷基硫酸钠为粒径控制剂，采用硫酸锰和碳酸氢铵两种溶液快速同时加入的方式，通过控制合适的反应结晶条件，制备出亚微米级单分散球形碳酸锰颗粒。借助扫描电镜、X射线衍射、粒度分析仪等研究了反应结晶条件对碳酸锰粒径和形貌的影响。

The core thought of retiform topology discovery algorithm is penetration strategy based secondary source routing topology discovery algorithm, which has greatly improved the discovery probability of boundary router, furthermore, has improved the fraction of coverage of the whole topology discovery.

其中网状拓扑结构发现算法核心思想是基于穿透策略的二次源路由拓扑发现算法，其优点在于大大提高了边界路由器的发现概率，进而增大了整个拓扑发现的覆盖率。

Considing the geological setting of the source rocks and the secondary hydrocarbon generation factors of primary maturity, major hydrocarbon generation stage and the organic matter type,two series of samples of humic and sapropelic organic matter had been selected.

根据烃源岩发育的地质背景，综合考虑二次生烃的原始成熟度、主要生烃阶段、有机质类型等因素，用高压釜和热解生烃模拟实验完成人工模拟和自然演化系列的两组样品腐植型和腐泥型共16个。

Urban air quality of 50％ of cities with level of area must meet with the second level of National Air Quality Standards.

定量化的管理主要有两方面的内容，一是建立排放源和环境空气质量之间的输入响应关系，二是制定污染防治对策。

In order to develop a new path for gene mapping of fish, the digoxigenin and tritium labeled in situ hybridization techniques combined with multiple banding analysis on the pachytene bivalents of M. albus were studied using the wheat ribosomal RNA genes, pig growth hormone gene and MaSoxl (M. albus SRY boxl) DNA segment as the probes. Moreover, the techniques of random primed in situ DNA synthesis were also developed on the bivalents of M.

以两种异源基因和Ma Soxl为探针，采用地高辛或氟标记的原位杂交技术，结合点渍法和DNA印渍法分析，率先在黄鳝减数分裂二价体上开展基因定位研究，并与多重带带型分析相结合，以期为构建黄鳝染色体框架图奠定初步基础，为迅速改变鱼类基因定位研究的落后局面而开辟新的途径。

Researchers now suspect the plumes originate from near-surface pockets of liquid water with temperatures near 273 kelvins (0 degrees C)- hot when compared to the distant moon's surface temperature of 73 kelvins (-200 degrees C).

現在研究人員懷疑這些煙柱的源頭，可能是靠近表面、溫度接近攝氏零度的液態水窟，和這顆遙遠衛星攝氏負二百度的表面溫度比起來，零度算是相當高溫了。

Firstly, the basic principle of Finite-Difference Time-Domain is introduced and the 2-dimensional FDTD equation is derived from the Maxwells equations, calculated by setting up the appropriate excitation source, cell size, the interval of space and time.

首先，介绍了时域有限差分法的基本原理，从麦克斯韦方程出发，建立二维空间中的时域有限差分方程，通过设置合适的激励源、网格尺寸、空间和时间步长进行计算。

In due course, maybe, the spiritual airs of Roald Amundsen and Robert Falcon Scott will fulfill the space-cadets' dream by visiting the moon's south pole and confirming that there is ice there in person.

或许在未来的某个时候，罗尔德·阿玛德森和罗伯特·福尔肯·斯科特般的精神（这二人均系有冒险精神的人物）将能实现太空男儿们的梦想：飞抵月球南极，亲自确认月球上存在冰源。

Under the guidance of geochemistry, this paper does researches on several aspects such as: sedimentary environment, source input, organic character, dry distillation products character, organic facies, and quality of oil shale in different organic facies of oil shale of Permian Lucaogou formation in the northern Bogda Mountain.

本论文采用地球化学方法对博格达山北麓二叠系芦草沟组油页岩的沉积环境、物源输入、有机质品质特征、工艺特性等方面进行研究，划分了油页岩发育的有机相带，总结了不同有机相中油页岩的品质特征。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。