Listen carefully and notice how the ticking increases in apparentintensity.
仔细听，注意到嘀嗒声是如何明显地提高强度的。
2
Determining errors of intensity or apparent concentration are generally less than ones of concentration.
强度或表观浓度的测定误差通常小于浓度的测定误差。
3
It also studies the influences of W/C ratio, water reducer, and air- detraining admixture on the porosity and apparent porosity and of porosity and apparent porosity on the intensity.