Spontaneous emission can be totally suppressed or strongly enhanced depending on the relative position of the resonant frequency from the edge of the photonic band gap and the photonic mode density.

通过原子上能级与光子频率带隙边缘的相对位置或者光子态密度，可以抑制或增强原子的自发辐射。

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The transmission zeros(TZ) of Quasi-elliptic function filter could be placed in any position, so the attenuation out of band is controllable, then a high selection performance could get.

准椭圆函数滤波器的传输零点，可以位于阻带内的任意位置处，这能更加灵活地对滤波器的带外抑制度进行调节，其矩形系数可以做得很高。

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According to author's experience, design position, design form and construction approach of the late poured band are in detail introduced in this paper.

根据实践，介绍了后浇带的留设位置、设计形式和施工方法。

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These oaths passed to a second generation, and the families of that early band of brothers now occupy nearly every significant position in the state.

ECONOMIST: Jaw-jaw

The configuration of the jet stream, a band of high-altitude westerly winds, also contributes, although its current position, to the far north above the continent, is not uncommon for summer, according to Mike Brewer, a physical scientist with the National Oceanographic and Atmospheric Administration.

MSN: How Bad Is the US Drought?

An open G chord is technically third position given its location of the root note, but in Rock Band 3, that particular variant displays a "2" that falls on the A string.

ENGADGET: Rock Band 3 Pro guitar preview: the guitarist vs. the guitar hero