在封闭腔，对理想的四能级激光系统，无辐射衰减速率为零时微腔激光器的光输出特性是线性的。

In the closed microcavity of an ideal four-level laser system, when nonradiative depopulation is zero, the light output property of the microcavity laser is linearly.

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将产品的装配特征表达为零件级特征、关联功能级特征和工艺级特征的集合，详细描述了各个特征的表达方式。

The paper described product's assembly features as the set of part's features, liaisons features and technological features, and deals with a representation of assembly features in detail.

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推出一维谐振子的能级的能量不确定范围等于零，能级的平均寿命等于无穷大。

Deducing the uncertainty in energy of one dimensional harmonic oscillator equals zero, and average lifetime equals infinity.

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