sighless

sighless怎么读

sighless的意思释义

sighless

adj.sigh的变形

vi.

叹气，叹息：

to sigh with helplessness

无奈地叹息

发出叹息般的声音；(风等)呼啸，悲鸣：

sighing wind

呼呼的大风

悲叹，痛惜：

to sigh over something

为某事而悲叹

想念；渴望：

to sigh for hometown

想念家乡

vt.

叹息着表示；悲叹，痛惜：

to sigh one\'s youth lost early

悲叹青春早逝

在叹声中浪费(或虚度)：

to sigh away one\'s days

在叹声中虚度光阴

n.

叹气，叹息

叹息声

叹息般的声音；(空气等的)流动声；(风等的)呼啸(声)，悲鸣(声)

sighless用法及例句

例句参考

Some graphs determined by their (signless) Laplacian spectra

The (signless) Laplacian spectral radius of unicyclic and bicyclic graphs with n vertices and k pendant vertices

On some forests determined by their Laplacian or signless Laplacian spectrum

Signless Laplacian spectral radii of graphs with given chromatic number

Sharp bounds on the signless laplacian spectral radii of graphs ☆

On the distance and distance signless Laplacian spectral radii of bicyclic graphs

THE SUN GRAPH IS DETERMINED BY ITS SIGNLESS LAPLACIAN SPECTRUM

On the reduced signless Laplacian spectrum of a degree maximal graph

Relation between Energy and (Signless) Laplacian Energy of Graphs