在英语中,almost与nearly这两个词都是副词,都有“几乎”“差不多”之意,但用法不尽相同。现分别辨析如下。―、almost与nearly可以互换使用的情况1.在all、always、every和every-构成的复合词之前,almost与nearly可以换用。例如:Almost...在英语中,almost与nearly这两个词都是副词,都有“几乎”“差不多”之意,但用法不尽相同。现分别辨析如下。―、almost与nearly可以互换使用的情况1.在all、always、every和every-构成的复合词之前,almost与nearly可以换用。例如:Almost(Nearly)all the guests are here.差不多所有的客人都到了。Almost(Nearly)all of the people believed Tom because he was a very good man.因为汤姆为人很好,几乎所有的人都相信他。展开更多
An unsplit-field higher order nearly perfectly matched layer(NPML)based on the auxiliary differential equation approach is introduced in three-dimensional finite-difference timedomain lattices.The proposed scheme has ...An unsplit-field higher order nearly perfectly matched layer(NPML)based on the auxiliary differential equation approach is introduced in three-dimensional finite-difference timedomain lattices.The proposed scheme has the advantage of both the NPML scheme and the higher order concept in terms of the improved absorbing performance and considerable computational efficiency.By incorporating with the generalized material independent concept,the proposed implementation is indepen dent of the material’s type.Thus,it has the advantages of terminating arbitrary media without changing the updated equations in the PML regions.Its effectiveness and efficiency is further demonstrated through numerical examples.展开更多
文摘在英语中,almost与nearly这两个词都是副词,都有“几乎”“差不多”之意,但用法不尽相同。现分别辨析如下。―、almost与nearly可以互换使用的情况1.在all、always、every和every-构成的复合词之前,almost与nearly可以换用。例如:Almost(Nearly)all the guests are here.差不多所有的客人都到了。Almost(Nearly)all of the people believed Tom because he was a very good man.因为汤姆为人很好,几乎所有的人都相信他。
基金This work was supported by the National Natural Science Foundation of China(6157102261971022).
文摘An unsplit-field higher order nearly perfectly matched layer(NPML)based on the auxiliary differential equation approach is introduced in three-dimensional finite-difference timedomain lattices.The proposed scheme has the advantage of both the NPML scheme and the higher order concept in terms of the improved absorbing performance and considerable computational efficiency.By incorporating with the generalized material independent concept,the proposed implementation is indepen dent of the material’s type.Thus,it has the advantages of terminating arbitrary media without changing the updated equations in the PML regions.Its effectiveness and efficiency is further demonstrated through numerical examples.
