总体来看，在现实条件下，镉不会显著降低外生菌根真菌菌丝体氮、磷、钾含量和吸收量。
Generally, Cd could not decrease the contents and absorptions of nitrogen, phosphorus and potassium in ectomycorrhizal fungi mycelium.
总体看来，NO、SO2排放量同样随着试样中含氮、硫量的增大而增大。
Overall, NO, SO2 emissions increased as the increase of the nitrogen and sulfur content in the fuel.
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