同时地
- 与 同时地 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Traditional withdrawing cannot how under this kind of protection with the digestion method the skeleton cell, must use the new method to be able to cause in the skeleton cell DNA to leave from the structure middle reaches, but drifts away at the same time, fears the DNA frail double strand not to be able to undergo fiercely shakes with the intense chemical action, therefore this request must relatively temperately use one kind to withdraw the method.
传统让步无法怎么在这保护之下以消化方法最基本的细胞,必须使用新方法能导致在最基本的细胞DNA 离开从结构中间伸手可及的距离,仅漂泊去,恐惧DNA 虚弱双子线同时不能剧烈地接受震动以强烈的化工行动,因此这个请求必须相对地温和地使用一种类撤出方法。
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As long as the understanding of these questions is not common knowledge, Free Software is facing a problem: Proprietary software can exploit unprotect ed or too weakly protected Free Software almost totally, whereas the opposite is clearly not true.
只要〔对于〕这些问题的理解还不是一般知识,自由软件就面临到一个问题:私权软件可以几乎完全地,不正当地利用未受保护的或过弱保护的自由软件,同时反过来说则很清楚地并不成立。
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During recent years, Boyang Company attracts high-quality personnel and process technology innovation.
公司于 2002 年便顺利地通过了 ISO9001-2000 国际质量体系认证,主导产品也通过国家 CCC 认证,CE欧盟及TUV、ROHS认证;在近年,博阳公司更是不断地引进优秀专业人才和进行技术创新,特别是在设计开发、装配工艺和检测手段方面推出了自己独特的一系列举措,使公司的主导产品质量在不断提升的同时,又不断地推出新产品。
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In the studying of image segmentation, six crucial technologies havebeen developed successfully. 1 In one dimension histogram of original DRimage of luggage, there remain maximum-value wave crest havingapproximately stationary position, and the first minimum to the left of thewave crest performs excellently to be used to get rid of background of DRimage. 2 Open operation, one type of math morphology, is the right idea toerase luggage disturbance in DR image and at the same time, can be retaininteresting region appropriately. 3 After open operation, there are only a few minimums on image histogram, one of which can be to segment image furtherand achieves satisfying result. 4 Method of histogram analyzing and that oferosion performs well in the re-segmentation of conglutinative region in DRimage. 5 Method of image distance switch can ensure Luggage CT sectionautomatically obtained to have rich suspicious region information. 6 Todecompose structure element of math morphology is a way to save a great dealrunning time for automatically discerning interesting regions algorithm,apparently improving implementation efficiency.
在对图像可疑区域分割研究中,主要开发成功以下几项关键技术:1发现原始箱包DR图像的一维直方图中,均具有位置相对稳定的最大值波峰,以波峰左边第一个极小值为分割阈值,去除DR图像背景,效果非常好。2运用数学形态学中的开运算能够非常有效地去除箱子的干扰,同时能够比较好地保留可疑区域。3发现开运算后的DR图像直方图只有若干个极小值点的特点,其中用最大值波峰左边的第二个极小值点进一步分割DR图像,能够更有效地提取箱包中的可疑区域。4运用直方图分析法和腐蚀法,对粘连区域实行再分割,效果较好。5运用距离变换法,能确保自动设定的箱包CT截面包含丰富的可疑区域信息。6运用形态学结构元素分解技术,大幅度减少可疑区域的自动判别算法运行时间,提高算法软件执行效率。
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The floaty 'above creature' health bars raised a few different concerns and they've since been changed.
小怪头顶地浮动血条引起了某些担心,所以他们改变了这个设置:金怪和boss地血条会固定在屏幕上方,同时喽罗们地血条则会固定在屏幕下方。
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Based on two kinds of control strategies of VSR under unbalanced grid condition,the introduction of a new VSR control strategy featuring undamped -oscillation that simplifies the controller structure and effectively improves VSR"s performance under unbalanced grid condition.· A systematic description of the state switching in trilogic PWM signal generation of three-phase CSR by using the conversion between bilogic and trilogic switching functions.· Referenced to the CSR"s trilogic PWM signal generation, an approach to achieve low-stress natural commutation of switching devices by reshuffling the vector composition sequence, resulting reduced switching loss.
在研究了两类电网不平衡时的VSR控制策略基础上,提出了一种新型的基于无阻尼振荡控制器的VSR不平衡控制策略,在简化控制结构的同时,有效地改善了电网不平衡时的VSR控制性能;·通过二、三值逻辑开关函数间的转换,系统地描述了三相CSR三值逻辑PWM信号发生中的状态切换;·结合三相CSR三值逻辑PWM信号发生规律,提出了通过调整矢量合成顺序而使功率管获得自然换相的低电压应力SVPWM控制,从而有效地降低了功率管的开关损耗。
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Referenced to the CSR's trilogic PWM signal generation, an approach to achieve lowstress natural commutation of switching devices by reshuffling the vector composition sequence, resulting reduced switching loss. With the background of and well instanced by the Xinjiang Autonomous Region's Key SciTech Project"Solar Photovoltaic grid-connected inverter", the dissertation work implemented the new approach of a grid-connected PV inverter that was of single-phase VSR topology and with MPPT .
在研究了两类电网不平衡时的VSR控制策略基础上,提出了一种新型的基于无阻尼振荡控制器的VSR不平衡控制策略,在简化控制结构的同时,有效地改善了电网不平衡时的VSR控制性能;通过二、三值逻辑开关函数间的转换,系统地描述了三相CSR三值逻辑PWM信号发生中的状态切换;结合三相CSR三值逻辑PWM信号发生规律,提出了通过调整矢量合成顺序而使功率管获得自然换相的低电压应力SVPWM控制,从而有效地降低了功率管的开关损耗。
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With the support of a major research grant of Zhejiang Province (No. 001101027) and the Plan of Promoting Education of Excellence of Zhejiang University in the 21st Century, this dissertation is devoted to address the above problems and fabricate an L-band EDFA with low cost, high performance and technological innovation.First the mechanism of an erbium doped fiber amplifier is introduced. Various theoretical models based on classical rate propagation equations are summarized and compared for their applications. We use a modified numerical model based on the Giles model, which agrees with the experimental results well. This serves as the theoretical base for the whole thesis and will be used to optimize the characteristics of EDFAs. A novel method based on a map of noise figure and gain is proposed to analyze efficiently the dependence of the noise figure and gain for EDFAs on the EDF length and the pump power. The characteristics of various EDFAs are studied and compared.Secondly, some important parameters are introduced to describe the characteristics of EDFAs. The methods and the experimental setups for measuring the gain and noise figure of an EDFA are emphasized. We introduce how to measure the characteristics of each component of an EDFA, especially the gain and absorption coefficient of an erbium doped fiber.Thirdly, four types of simple and novel L-band EDFA structures with low noise, high gain and low gain ripple are proposed to satisfy the requirement of a DWDM system. They can be classified into two categories. In the first category, a single ASE pumping is served asa secondary pump. This category includes the following three types. Type: a new construction using a fiber Bragg grating in an unpumped EDF section at the input side. Type: a new structure of L-Band EDFA with two-stage pumps, which utilizes the forward ASE as a second pump.
本论文本着科技创新、服务于生产实践的精神,以设计价格低廉,性能优越、结构合理简单的L-band EDFA为目标,依托浙江省科技厅重大科学基金资助项目(001101027)和浙江大学振兴教育计划资助的全光网络的搭建—《光通信技术》课程实验建设项目,展开了如下工作:首先,介绍了掺铒光纤放大器的工作原理,归纳总结了基于速率方程基础的EDFA的各种理论模型,分析比较了各个模型的特点和适用场合,最终选择完善的Giles理论模型作为本论文分析设计EDFA的理论基础;针对实际实验条件提出了修正的EDFA模型的数值计算方法;创新地提出了增益—噪声系数全局分析法,直观有效地分析了EDFA的增益和噪声系数与掺铒光纤长度和泵浦功率的依赖关系,并对各种EDFA的性能作了全面的比较;第二,介绍了掺铒光纤放大器特性参数的定义与测量方法,重点介绍了噪声系数和增益系数的测量方法及实验装置;介绍了组成掺铒光纤放大器各组件的特性测量方法,重点介绍了测量掺铒光纤参数的方法和实验装置;第三,针对WDM系统对L-band EDFA谱平坦、低噪声、高增益的要求,我们创新地提出了四种不同的L-band EDFA结构,按设计思路可以分为两大类:一类是基于单抽运二级泵浦法,这一类包括在未泵浦掺铒光纤的输入端插入一根布拉格光纤光栅的两段L-band的EDFA的新结构;基于前向ASE光作为二级泵浦源推动下一级EDF工作的泵浦分配、两段级联L-band的EDFA的新结构;基于单根光纤光栅、泵浦分配、两段级联的EDFA;另一类则是基于同时应用前后向C-band ASE作二级泵浦源的双抽运法,如基于前后向ASE光作为二级泵浦源的三段级联L-band的EDFA的新结构。
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The ground I had manured and dug up forthem was not great; for, as I observed, my seed of each was notabove the quantity of half a peck, for I had lost one whole crop bysowing in the dry season.
如果上帝认为不应该拯救我,我就应该认命,绝对地、毫无保留地服从上帝的旨意;同时,我也应该对上帝寄予希望,向他祈祷,静静地听候他圣意的吩咐和指示。
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The paper reviews the development in the analytical theory of mechanical behavior of composites, pointing out the problems existed, presenting creatively the concept of yarn state, solving the descriptive problem of perform structure of any woven composites and laying the foundation for predetermining the elastic behavior of 3-d woven composites with computer. On the basis of yarn state, the relative cross section deformation theory is introduced, the yarn cross section deformation is studied, and the experiential formula is described in the paper on the basis of experiment. The crimping state of yarn is studied, the classical "straight warp view"is modified, and the crimp height value of crimped yarn is studied. At the same time, with shrinkage rate sine method, the paper proposes the idea which imitate the shape of crimped yarn. With the third power template curve, the paper describes the microgeometry structure of fabric, finding a brief and precise approach for the calculation of mechanical behavior of composites.
本文回顾了复合材料力学性能分析理论的发展,指出了存在的问题,创造性地提出了纱态概念,解决了任意结构机织复合材料预制件结构表征问题,进而为用计算机预报三维机织复合材料的弹性性能打下了基础;基于纱态概念,提出了相对截面变形理论,研究了纱线截面变形情况,在实验的基础上给出了纱线截变经验公式;研究了纱线屈曲状态,修正了传统的&地经纱直线论&,提出了以纱线缩率研究屈曲峰谷值的思想,同时以三次样条曲线拟合了纱线的卷曲形状,较好地描述了织物的细观几何结构,为复合材料力学性能的计算找到了一条既比较简便又比较精确的途径。
- 推荐网络例句
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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.
每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。
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Maybe they'll disappear into a pothole.
也许他们将在壶穴里消失
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But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.
但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。