The SouthernOscillation Index (SOI) has fluctuated over the past two weeks, but remains strongly positive.
南方涛动指数(SOI)的波动在过去两个星期仍然为高正值。
2
The first principal component of the SouthernOscillation Index (SOI) is used as the intensity of annual SO.
用南方涛动指数(SOI)的第一主成分表示年涛动强度。
3
The climate pattern known as the El nino-southernOscillation, or "ENSO" for short, is the biggest cause of large-scale climate variability in the tropics.