The researchers pointed out that low-frequency processes, such as fluctuations in stream flow and groundwater levels, would not usually beapparentto human populations.
研究人员指出，低频过程诸如河流流量和地下水水位的波动，通常不会对人类产生明显影响。
2
That must beapparentto all intelligent people.
那对所有明智的人来说都是非常明显的。
3
Similarly, the status of user interface objects should beapparentto users.