In the second variation, called the "vertical archipelago", the village exploits resources in widely dispersed locations, constituting a series of independent production "islands".
第二种变异称为“垂直群岛”，村庄在广泛分散的地点开发资源，构成一系列独立生产的“岛屿”。
2
By his senior year he had been granted his first patent, for a socket interface that used a series of bladders to compensate for the wide variation in the shapes of different people's residual limbs.
The precision of an analytical procedure is usually expressed as the standard deviation or relative standard deviation (coefficient of variation) of a series of measurements.