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- Fourth order met hod 四阶线性抛物型积分-微分方程
- The elastic moduli Eijlm represents a tensor of the fourth order. 弹性模数Eijlm表示一个四阶张量。
- Finite volume met hod is used in the numerical simulation to get the target... 模型的全局优化解由遗传算法求得。
- Through the experiment, basketball tactics area-delimited teaching met hod is better than traditional method. 通过实验结果显示,篮球战术划区域教学方法明显优于常规教学法。
- Concretely,the fourth order squeezing of the light field iis studied in detail. 我们详细研究了量子光场的四阶压缩特性,给出了四阶压缩的条件。
- As the researchers study the Internet as a new environment, they should use the qualitative research met hod. 把网络当作一个新环境,研究者最初应该使用定性的研究方法。
- Met hod: 120cases were divided into study group and control group at random(n=60). 将120例缺血性脑卒中患者随机分为研究组与对照组。
- Met hod:64 cases of lung sarcoidosis confirmed by pathology were reviwed and anali zed. 方法:回顾分析了64例经病理证实的肺结节病患者的全部资料。
- The chain consists of a dual-mode,highly linear,fourth order Chebyshev active RC filter and three VGA stages. 基带由双模的高线性度的四阶切比雪夫形式的有源RC低通滤波器以及三级可变增益放大器构成。
- In this paper, an early well testing met hod for correcting afterflow region pressure falloff data is introduced. 通过校正续流段压力数据,使用了考虑嘴损的早期试井方法进行解释,同时反求出续流量,计算出地层参数。
- The scattering of time-domain pulse by the ionosphere was calculated using a fourth order (FD)2TD scheme. 采用具有四阶精度的时域有限差分法计算了电离层对时域脉冲的散射,然后应用小波变换求出了反射信号的时频分布。
- An optimization met hod for selecting CCD sampling time of NGS adaptive optical systems is discussed. 讨论了使用自然导星时自适应光学系统的时域优化问题。
- The initial boundary value problem of fourth order wave equation with dispersive and dissipative terms is studied. 摘要研究具色散和耗散项的四阶波动方程的初边值问题。
- The development of component-based met hod and measurement-based method is reviewed. 回顾了负荷模型研究的统计综合法和总体测辨法的发展历程;
- When is the best date for order meeting after Chinese New Year? 您认为春节后何时召开订货会为最佳时间?
- An improved met hod of synchronous detection for power and output voltage of bridge was put forward. 通 常假定电桥的恒压源为一定值,不予测量,只检测电 桥输出电压。
- It reduces the problem of solving double harmonic equation to the problem of solving the fourth order Euler equation by applying transformation. 这种方法是用变换将解重调和方程问题化简为解四阶欧拉方程问题
- On those points of fourth order lead which can not receiver the GPS signal, Leica TC1800 was used and achieved precision requirement. 在无法接收GPS信号的四等导线点按照常规方法利用TC1800测量,达到设计精度要求。
- This met hod can reduce not only the number of information systems attributes but also th e number of divisions of attributes. 这种方法不仅可以减少信息系统的属性个数 ,而且可以减少属性的划分数。
- This paper considers the finite difference method for a class of generalized fourth order dispersive and dissipative wave equation. 摘要研究了一类四阶非线性耗散、色散波动方程初边值问题的有限差分解法。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries