The researchers pointed out that low-frequency processes, such as fluctuations in stream flow and groundwater levels, would not usually be apparent to 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
Whenever you create a primitive that can have a variable number of output terminals, create them as you go, to ensure that all possible paths of flow are apparent.
每当创建一个输出终端数量可变的原语时，可按照您的进展创建这些终端以确保流的所有可能路径是明显的。
3
Flow of uniform pressure stability, low speed when the more apparent.