意指

The absolute summability of autocorrelation sequence imposes only the continuity constraint on the power spectrum.

另外，绝对可加性自相关数列之假设只是在频谱中必须连续。

A prefix meaning one quadrillionth (xlo-15).

- 前缀，万亿分之一(xlo-15).

North American tribal customs feature “two-spirit” people who combined male and female attributes (anthropologists call these “berdache”, from a French word for catamite).

北美部落习俗中将有男特性的人称“双灵魂”（人类学家称之“berdache”法语借来的词，双体人）。