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。
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.
播期能对高丹草产草量和粗蛋白产量产生明显影响。
Sowing period distinctly affected the grass yield and gross protein yield.
研究发现，婚姻长短和和双方性格都未对他们的幸福感产生明显影响。
The study found that neither the length of the marriage nor personality seemed to make much difference to how happy they were.
应用推荐