同一含水率水平下，弦切板的表层应力比径切板的表层应力大。
At the same moisture content level, the stress of surface layer of tangential timber was larger than that of radial timber.
这就是为什么有时候弦论被称为一切的理论，因为有一天它会成为所有未来科学发现和革新的基础。
That's why string theory also is sometimes called a theory of everything, because it could serve someday as a foundation for all future scientific discovery and innovation.
宇宙中的一切是由振荡的一维弦构成的吗？
Is everything in the universe made up of vibrating one-dimensional strings?
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