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- A wave that repeats, like the one above, is called a periodic wave. 如上图所示的周期性的波,称之为周期波。
- The new periodic wave solutions for cubic nonlinear Schr dinger equation[J]. 引用该论文 豆福全;石玉仁;孙建安;段文山;吕克璞;洪学仁.
- Of or relating to the component of lowest frequency of a periodic wave or quantity. 基波的周期波或周期量的最低频率的分力的或与此有关的
- In addition to amplitude and wavelength, a periodic wave is characterized by its frequency. 除了振幅和波长,周期波有它自己的频率。
- Using the modified Jacobi elliptic function expansion method,the periodic wave solutions for the coupled nonlinear Klein-Gordon equations are obtained. 利用修正的Jacobi椭圆函数展开方法;获得了一类耦合非线性Klein-Gordon方程组的周期解.
- Meanwhile, domestic price level still is in low move smoothly, the periodic wave motion that economy grows is changed infirmly apparently. 与此同时,国内物价水平仍在低位平稳运行,经济增长的周期波动明显弱化。
- Under various parameter conditions, all exact explicit formulas of solitary wave solutions and kink (anti-kink) wave solutions and uncountable infinity many periodic wave solutions are listed. 在固定的参数条件下给出广义水波方程组的孤立波、扭结(反扭结)波解的精确表达式,并证明该方程组存在不可数无穷多个周期波解。
- Key words: Output of timber product, Periodical wave, Early warning, Spectral analysis, Periodogram. 第一作者:胡永宏,男,1966年生,陕西韩城人,副教授。主要研究方向:时间序列分析与应用。
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- Chang, H.H, Huang, C.J., and Dong, C.M. (2004) Interaction of periodic waves and a submerged porous breakwater (2004/5 submitted to Coastal Engineering). 黄清哲、谢正伦、郑友诚、尹孝元、许世盛、蔡玫谖(2004)土石流地声特性之实验研究,中国土木水利学刊,第十六卷,第一期,第53-63页。
- Adapting to all these periodic waving features of different economic activities,Chinese GDP growth is just on the overspreading stage of its short-term ... 这四类周期的性质或所反映的经济活动是不同的 ,但又存在密切内在联系。
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- Driver to Non- sinusoidal Periodic Wave 周期非正弦波的激励
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- I had had a few beers and was completely non compos mentis. 我喝了些啤酒就头昏脑胀了。
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- He was declared persona non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- 今日热词
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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