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These studies provide a genetic and molecular basis for the understranding of the signaling network underlying heterocyst development in caynobacteria.

以上结果为综合性研究异形胞的发育的分子机制提供了重要的分子生物学及遗传学的基础，便于更加深入的了解异形胞发育过程中的调控网络。

The article narrates teaching methods of point, line and surface according to one hexahedron.

本文从便于学生理解的角度，结合教学实践，较为详尽的阐述了如何使用一个六面体来进行点、线、面投影的教学。

The font color for magic items in hireling inventories should be a bit easier to read.

雇员物品清单里魔法物品的字体颜色更便于阅读了。

By means of Taylor's formulas and the extended homogeneous capacity method, the nonlinear equation is transferred into a linear homogeneous equation within an integral segment, which can be solved conveniently by the high precision integration method.

首先，借助Taylor级数展开，在一个积分步长内将非线性方程转化为线性非齐次方程，然后利用齐次扩容方法，进一步将其化为线性齐次方程组，便于用精细积分算法求解。

A modifiedimesh simplification algorithm based on edges collapse algorithm presented by Hoppe has been designed.

模型被剖切或开窗，可以方便看到内部的组织，便于观察和诊断。

The design of hardware and software of the host computer and the slave computer are introduced in detail .

在系统中，除保留了原有电动阀门的现场控制功能外，增加了远程控制，并增加了阀门故障信号的采集，便于

In general, the design work with traditional measures is done by hand, which cannot meet the needs of the technology and manufacture. So the author has developed a CAD hydraulic design software fit for lower specific speed axial flow runner, which is easily operated by users.The main research work of this paper is as follows:1 Analyzing the main reason of axial flow power station cannot work well under littler volume of flow in some season and putting forward an improving scheme, pointing out the characters of design under abnormal factors.2 Combined with the development of the industry in our country, the abnormal hydraulic design method of propeller turbine is discussed based on present literature, data and experiment results.3 Guided by the design method of software engineering, a suit of hydraulic design software of Lower Specific Speed Axial Flow Runner is programmed by the object-oriented programming language Visual Basic and a straightforward, concise and standard Windows human-computer dialogue interface is designed for the system, which makes the operation of the system very convenient.4 ActiveX Automation technology is adopted as the interface with AutoCAD and the hydraulic drawings are edited, modified by AutoCAD until hydraulic model drawings according with the demand of engineering practice are output.5 To resolve practice problem, the author has designed a lower specific speed axial flow runner for Duowa Power Station through an example.

论文的主要内容有：1 深入分析很多轴流定桨式水电站枯水季节小流量下不能发电的主要原因，提出减容改造方案，并指出超常规条件下的改造设计特点。2 结合国情及行业发展需要，参考现有资料、文献和前人的研究成果，进行低比转速轴流式转轮叶片水力设计方法的研究，对轴流式转轮叶片的奇点分布法水力设计进行了全面的探索，结合现代计算机技术，找到了一种针对特殊条件的轴流式转轮叶片水力设计方法。3 仔细比较多种AutoCAD二次开发工具后，结合本课题的特点，选用Visual Basic语言，综合应用软件工程的设计思想，进行低比转速轴流式转轮叶片水力设计软件的编制，为系统设计了直观、简洁和标准的Windows人机对话界面，便于用户操作；编程时在考虑到设计条件特殊性的同时，尽量做到程序的通用性，使之可用于解决同一类问题；另外，大部分程序还可移植到普通轴流式转轮叶片水力设计中，具有良好的适应性。4 利用ActiveX Automation技术与AutoCAD接口，对AutoCAD进行二次开发，在AutoCAD下实现水力图的自动生成和编辑，直至输出符合实际工程要求的木模图。5 通过算例，为多哇水电站设计了一个低比转速轴流定桨式转轮，解决其在枯水期小流量下不能发电的问题。

Meanwhile,it provides a good human-computer interface,and is convenient in operation,suitable for other compression occasions.

同时该方法还提供了良好的人机交互方式，便于操作，并能够很好地适用于其他场合的压缩。

The function of the system definition can be flexible, easy to meet user requirements, and the system has a good human-computer interface, easy to operate.

系统功能可灵活定义，便于满足用户要求，且具有良好的人机界面，操作方便。

For a hurler's fingers attached to its center of gravity, which increased the precision and distance of a javelin's flight.

它缠有一个皮条以便于投掷者能把握住标枪的重心，这样可以提高投掷的准确度和距离。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。