(3). By introducing a new variable, the (2+l)-dimensional breaking soliton equation is simplified to be a sigle one, or using Backlund transformation to change a class of (2+l)-dimensional coupled equations to a (1+1)-dimensional nonlinear equation with only an unknow variable. The latter one is not only with a low dimension, but also a low order.
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stop doing or using 结束 ; 做完 ; 终止
Or Using School Equipment 或动用物品
applying or using existing knowledge 应用既有知识
expenditure spending or using up 消耗 ; 支出
creating or using new words 新词的创造或使用
Installing Or Using 安装或使用
used in or using magic 用魔法或魔术的
Other options to restore the frescoes would have required using chemicals to remove the unwanted layer or using physical means to scrape it off.
其他修复壁画的方法可能需要使用化学物质来去除不需要的层,或者使用物理方法将其刮掉。
The Congress is ignorant of the consequence of fire sale: global helium prices are so artificially deflated that few can be bothered recycling the substance or using it judiciously.
国会对廉价出售的后果一无所知:全球氦气价格被人为压低,以至于几乎没有人愿意回收这种物质或明智地使用它。
It is a good idea to take a break every 15 minutes, when you are working at a computer or using a smartphone.
当你使用电脑或智能手机工作时,每15分钟休息一下是个好主意。
Mister Fosko suggests darkening windows or using sunscreen and protective clothing while driving.
VOA: special.2010.07.06
And if you come and ask a question that you could have easily answered by doing the reading, coming to lecture, or using Google, they're going to have less patience.
所以如果你过来仅仅是问一个,你能很轻松的,通过阅读、上课、或者,在谷歌上搜索就能得到答案的问题,他们会失去耐心的。
Those kinds of information are not easily accessible by following links or using the traditional search engine technology.
通过跟踪链接,或者传统搜索技术,是无法轻易获取的这些信息的。
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