RT–PCR products from clinical samples may also be used for genotyping of the virus, allowing comparisons with virus samples from various geographicalsources.
临床样品RT-PCP制品也可用于病毒基因分型，与采自不同区域的病毒取样做出比较。
2
GeoNames is integrating geographical data such as names of places in various languages, elevation, population and others from various sources.
GeoNames也在集成各种地理信息数据，比如不同语言的地名、海拔、人口数量和其他一些信息。
3
Geographical Information Systems (GIS) are characterised by the ability to integrate geospatial data from a wide variety of sources.