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Representatives from Bayer CropScience Group and the Chinese Academy of Agricultural Sciences met in Beijing, China, in July with the aim of establishing greater co-operation in the field of crop research.

7月份，拜耳生物科学公司代表团与中国农科院于在北京举行了会晤，就田间作物研究建立了更深的合作关系。

Employers should then create policies establishing guidelines for unacceptable behavior and ways to report such conduct, and make sure everyone -- from the CEO to the file clerk -- practices what they're preaching.

然后，雇主应该对于不可接受行为建立指导方针，以及建立对欺负行为举报的途径，并确保每个人--从最上级到最下级--都予以落实。

Serve main By : of project Polishing , the root canal cure , the periodontal disease cures the dentistry , clean tooth + establishing the tooth , tooth cosmetology , tooth flattening , fixing an artificial tooth , exercising the artificial tooth , children, extract a tooth , fill a tooth, health care and consult about.

服务项目主要为：植牙，牙齿美容，牙齿矫正，固定假牙，活动假牙，儿童牙科，洁牙+抛光，根管治疗，牙周病治疗，拔牙，补牙，保健与咨询。

This will provide important reference for establishing the standard of weight testing of the down and feather fillings.

为羽绒在国际贸易中确立质量检测的温湿度标准提供了参考，并为我国羽绒产品的出口提供技术支撑。

But normal pre-stack migration imaging method could not meet the need of exploration in great fault with big obliquity and strong anisotropism glutenite body.Pre-stock time migration processing technology could be applied in studying on pre-stack migration pre-processing technology, establishing final velocity model and electing key parameters.

采用叠前时间偏移处理技术，开展针对性的叠前预处理技术、精细的速度模型建立和关键参数的合理选取等研究，三维叠前时间偏移处理较常规三维叠后时间偏移处理获得了较高质量的成像剖面，且输出的道集可以用于砂砾岩体储层描述研究。

The method includes establishing one reverse mapping list comprising list items; reading the mapping data recorded in the data block state list item area to the list items during system initialization; checking reverse mapping list and finding the data block in Flash memory during reading some logic block; and writing the updated data into the empty data area of one new data block, writing the mapping data between the new logic block and the new data block into the state list item area and updating the mapping data of the corresponding list item in the reverse mapping list during writing some logic blcok.

包括：建立一个由表项组成的反向映射表，一个表项对应一个逻辑块；在系统初始化过程中，将数据块状态表项区中记录的映射信息，按逻辑块号与表项间的对应关系读取到各表项中；读取某逻辑块时，以其逻辑块号作为表项索引查找反向映射表，定位到表项，根据表项中记录的映射信息，在Flash存储器件中查找到数据块；写入某逻辑块时，将更新数据写入一新数据块的空白数据区中和将该逻辑块与新数据块间的映射信息写入状态表项区中，同时更新反向映射表相应表项的映射信息。

In this article, aiming at a kind of elliptic problem, three types of preserving-symmetry finite volume schemes under quadrangle partition grids are firstly established . During the course of the establishing, the" vertex-centered" control volume are selected and the balance-equation is discretized by utilizing the finite volume element method.

本文首先对自共轭椭圆问题，在四边形剖分下，通过选取"vertex-centered"类型的控制体，并利用有限体积元方法对平衡方程进行离散，首次建立了四边形剖分下的三种保对称的有限体格式。

When the first nations came into being, transport played a major role in establishing national integrity.

当第一个国家应运而生，交通在建立国家统一的重大作用。

During his first mission to the Alpha Quadrant , the Doctor was instrumental in establishing contact with Starfleet .

由於医生能被载入与星联建立起来的连接中，他被派去执行他在Alpha象限的第一个任务。

In this article two functional modes of the Fly-back Converter (Continuous Conduct Mode and Discontinuous Conduct Mode) are particularly analyzed, which include their characteristics, applications, the critical pattern of two functional modes is argued, both the exact boundary from the angle of circuit parameters is crystallized, at the same time, basic principle of PFC under the DCM mode is introduced, which settle theoretical basis for the subsequent design; by establishing the mathematic model of the converter, a further investigation of the configuration is made, qualitatively and quantitatively, analyzed to settle exactly theoretical basis for the subsequent emulation and the experimental parameter; from the angle of steady-state analysis, the transfer function of the system is deduced to establish dynamic small-signal state equation, emulating the system with the help of matlab, then according to the simulation result and the theory of PFC revise the system, lastly, we adopt the project which add a zero-pole compensator to the voltage loop, by this way, a satisfied system performance is gained and the PFC scheme is ensured successfully; finally, based on the previously-done work, we combining with the situation of specific design requirement, acquired the numerical value of each unit devices in this converter

详细分析了反激式变换器的两种工作状态，连续模式(Continuous Conduct Mode ，简称CCM)和断续模式(Discontinuous Conduct Mode，简称DCM)以及各自的特点、应用场合，论证了两种工作状态的临界模式，从电路参数的角度明确了二者的界限，同时还介绍了DCM模式下PFC的基本原理，为后面的设计奠定理论基础；通过对整个变换器系统建立准确的数学模型，对此变换器的电路结构做了进一步的研究，定性、定量地分析了变换器各部分的工作状态，为仿真和实验参数的确定以及电路参数的优化提供理论依据；从稳态分析的角度，为系统建立了动态小信号状态方程并推导出系统的传递函数，利用matlab对系统进行仿真，进而根据仿真结果以及PFC的相关理论对系统进行校正，采用在电压环加入零点—极点补偿器的设计方案，得到了满意的系统特性并且保证了PFC的顺利实现；最后，在前面所做工作的基础上，结合设计要求计算出此变换器系统中每个元器件的数值，利用Pspice对其进行了仿真、优化，然后根据仿真结果搭建了硬件电路。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。