|
By using new dual vectors, dual differential matrix and orthogonality relationship, a new solution method by igenfunction expansion for an elastic system with one continuous coordinate is establishen based on the theory of ordinary differential eguations.
|
|
|
摘要以常微分方程的理论为基础，利用新的对偶变量、对偶微分矩阵和正交关系，以单连续座标弹性体系为例，建立了与弹性力学求解新体系平行的特徵函数展开解法。 |
|
By using of ERDAS and ARCGIS softwares, two TMs and one ETM+ of Xuzhou City in 1994, 2000 and 2003, together with a 1:50000 topographic map of Xuzhou City, the built-up expansion of Xuzhou is studied.
|
|
|
摘要利用ERDAS及ARCGIS软件，以徐州1994，2000及2003年的遥感图像为数据源，结合1:5万地形图研究徐州市建成区的扩展情况。 |
|
By using of searching technic of ant colony algonithm, it can solve this problem very well.
|
|
|
利用蚁群算法的搜索技术，可以很好地解决这一难题。 |
|
By using of the local nature medicinal materials resources, combining modern high technologies with Chinese traditional technics, we develop and produce various natural plant extracts.
|
|
|
本公司利用陕南安康、商洛等周边地区的天然药材资源，采用现代高新技术与传统技术相结合，专业化研究开发生产各种类型的天然植物提取物。 |
|
By using of the new process,the rate of carburizing was increased,and the distortion of the works were decreased,while the wear-resistance and brittleness were improved.
|
|
|
用新的渗碳技术，可加快渗碳速度、提高渗碳的效率、减小渗碳变形，并且渗层的脆性及耐磨性得到了改善。 |
|
By using one-dimensional finite different hydrodynamic code coupled with four spall models, spall in ductile metal has been studied.
|
|
|
摘要在平面一维弹塑性流动有限差分计算程序中加入4种延性金属层裂模型，对平板撞击层裂实验进行数值模拟。 |
|
By using optical cable communication methods, which have advantages of great information transmission capacity, rapid velocity, wide frequency band, strong anti-jamming capability, low circuitry loss and easy construction, modern sky-wave over-the-horizon
|
|
|
通过采用光纤传输技术，利用其信息传输容量大，速度快，频带宽，抗干扰能力强，线路损耗低，易于施工等特点，实现全相参雷达的信息传输和系统控制，具有优良的保密性，稳定性、抗干扰性和抗摧毁能力。 |
|
By using optical fiber communication and information transmission based on industrial Ethernet, the said system organically combines the industrial automatic control based on programmable logic controller (PLC) with video supervison, as well as with super
|
|
|
系统采用光纤通讯和基于工业以太网的信息传输，将基于PLC的工业自动控制和视频监控、防火防盗监控有机地结合在一起，实现了对水泵站的远程无人值守监控。 |
|
By using other types of textile home decor accessories, you can create additional comfort and softness in using:-
|
|
|
用其他类型的家居装潢纺织配件,你可以用柔软舒适,创造附加: |
|
By using power of DC superimposed AC, oxidation rate rose with increase of voltage but had nothing to do with frequencies in this experiment.
|
|
|
在一定的频率範围内，改变频率对亚硫酸钠的转化率影响不大。 |
|
By using predictor puffing method, this paper calculated and analyzed the anomalies of 74 atmospheric circulation characteristics during various periods which were puffed from last January to April of this year.
|
|
|
摘要选择上年1月至当年4月为预报时段，采用预报因子膨化技术，将大气环流特征量按月依次组合成不同时段，计算出不同膨化时段的74项大气环流特征量距平值。 |
