我把绳子绕上几圈，这里挂一个物体，它的重量远小于，它的重量是，张力等于。
I wrap this rope around here several times, and here I hang an object m which is substantially less in mass, m which is m, little m, mg and the tension equals mg.
两类预聚物水分散系的表面张力均远小于纯水。
The interfacial tension of the acquired dispersions was lower than that of deionized water.
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