A quantum state is a vector whose overall length is of no interest to us (as long as it's not zero).

量子态是向量，我们并不关心其总长度(只要不是0)。

youdao

Solitons and solitary waves in inhomogeneous media are of interest in relativistic quantum mechanics and quantum electronics, e. g. in research on infrared soliton lasers.

非均匀介质中的孤子和孤波对于相对论量子力学和量子电子学（例如红外孤子激光器的研究）是很有意义的。

youdao

There is significant current interest in the exitonic properties and complicated exitonic properties in semiconductor quantum-well wires because of their role in optoelectronic applications.

由于半导体量子阱线中激子和复杂激子的特性在光学器件中有着重要的作用。

youdao

Extra dimensions are of interest because string theory, a class of mathematical models based on quantum theory that seeks to describe reality in the most fundamental way, requires that there be at least six of them, maybe more.

ECONOMIST: Cosmology