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To design, tooling, production and sale of more than 100 various types of products.

自行设计、制模、生产及销售各类产品100多种。20多年来,该公司的产品一直畅销世界各地。

Beginning with wave equation, the paper has deduced the propagation of gauss pulses in single mode fiber and fiber grating transmission compensation. The characteristics of cascaded phase-shift gratings are discussed by numerical simulations of coupled-mode theory and T-matrix method. The experimental works and measurement results are shown in this paper. On the other hand, we have introduced the basic theory of EDFA and figured out the characteristics for EDFA at different conditions by numerical simulation. Some experimental results for EDFA are also presented here. In this article, you can find the influence on Optical Fiber Amplifier by Gain Tilt, especially, the negative effect on CSO in CATV transmission system.

论文首先从波动方程入手,对高斯脉冲在单模光纤中的传播演化及光纤光栅透射补偿进行了详细的研究;较系统地介绍了光纤光栅的耦合模理论,并将传输矩阵计算法用于计算级连相移光纤光栅的光学特性;重点介绍了作者在光纤光栅刻制及特性测量方面所做的一些实验研究工作;较系统介绍了EDFA的基本理论,计算出各种条件下EDFA的光学特性,并进行了一些实验研究;综合分析光纤放大器对光纤传输系统的影响,特别分析了光纤放大器增益不平坦对光纤CATV系统中CSO恶化的原因及其解决方法,并研究了光纤布拉格光栅在稳定980nm泵浦源输出功率和输出波长方面的应用;结合一个基于光纤光栅和光纤放大器的光纤用户接入网方案,对光纤用户接入网的若干问题进行了理论与初步的实验研究。

Number 139 is again modular as a combination of transportable and mobile units.

139号作品同样采用了模数制的方法设计了一个可移动的单元体。

Gear axle to the shape of the craft and die design process works is first semifinished materials to forging temperature after heating system unburnt earthenware into account the type described in a certain temperature conditions, the need to blank out preheat, heating, thermal insulation; Use Moduan processes.

齿轮轴的成形工艺及模具设计的工艺工程是,先把坯料加热到锻造温度后再放入到制坯型腔内,在一定温度条件下,需要对毛坯进行预热、加热、保温处理;采用模锻工艺。

The results showed that the tensile strength, Young's modulus of soy protein plastics with complex plasticizers increased.

结果表明,采用复合增塑剂制得的大豆蛋白塑料其拉伸强度,杨氏模量均增加。

Methods Aging models were made by hypodermic injection of D-galactose. The rats were given intragastrically with the decoction of Polygonum multiflorum Adenophora paniculate and Radix Salviae Miltiorrhizae at the same time.

用D-半乳糖皮下注射,将2月龄大鼠制成衰老模型,用药组在造模的同时给予制首乌、北沙参、紫丹参3味药灌胃,40 d后用电子显微镜观察各组大鼠肝细胞的形态学变化。

Business card printing and membership card making of aluminum foil in packing factory next processing to be embossed/triadha, rats'semitransected, applanation, die-cutting or trimming made the subject of the request by the customer.

制卡和会员卡制作后的卷筒铝箔在包装厂后面的几道工序中要经过压纹/扎孔、横断、压平、模切或冲切制成客户要求的标形。

At present, along with the encrypted holographic, 3D holographic and true color and high technology with the introduction of bolographic, and anti-boil jeyang-type and short-run models anodized film making molded of hologram to him the anti-false holographic material.

长远随着增密残息、三维残息和假不暗白残息等矮陈技艺的引入,以及用不攻揭型和烫印型两栽电化铝薄膜制息模不抬的残息图的拉不窄搁置,愈增不小了激平残息质料的不攻伪力度。

You must also enable gravure printing station after the fountain once or twice before going into production to keep the memory in the original phase when closing operations will not be released, the business card printing and membership card making and disnature, die-cutting location, operation difficult complex.

还必须使凹印站润版后到二次投入生产前,保持记忆在原版相位时进行合压操作,才不致于再投入后,制卡和会员卡制作与模切位置错位,机构复杂,操作难度大。

In addition, in-mold labels and shrinking set of winding the growth rate of the label are more than 5%, with shrinking set of 2006 it is expected that the growth of 14% in North America to become the industry's largest liangdian, coupled with a sticker on the filmogen in the use of, all these are to business card printing and membership card making higher requirements.

另外,模内标签和收缩膜套缠绕标签的增长率都超过5%,其中收缩膜套2006年预计在北美增长14%,成为标签行业最大的亮点,加上不干胶标签中薄膜材料的更多使用,这些都给制卡和会员卡制作设备提出更高的要求。

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Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势,并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。

This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.

这一引人注目的地域范围,比喜马拉雅山更加陡峭,是处于西藏东部边缘的朝上翻的边框地带。响应启始于约5500万年前的、缓慢的但却不可阻挡的印度与亚洲地壳板块碰撞,高原已上升至五千米,这种碰撞持续至今,毫无衰退。