@robwiss Nice work. Note that CFM/dBA is a very odd metric since dBA is a log scale. Twice the CFM with +3 dBA might be considered similar. Low or medium > high.
@罗伯斯干得不错。请注意，CFM/dBA是一个非常奇怪的指标，因为dBA是一个对数刻度。两倍于+3 dBA的CFM可能被认为是类似的。低或中等>；高的
@robwiss Nice work. Note that CFM/dBA is a very odd metric since dBA is a log scale. Twice the CFM with +3 dBA might be considered similar. Low or medium > high.
@罗伯斯干得不错。请注意，CFM/dBA是一个非常奇怪的指标，因为dBA是一个对数刻度。两倍于+3 dBA的CFM可能被认为是类似的。低或中等>；高的