要得到一个整洁的五角星可能需要一些试验，这取决于鞋子宽度和鞋孔大小。
It may take some experimentation to produce a pentagram with fairly even points, which will depend on the width of the shoe and the eyelet spacing.
对西索米星在大孔弱酸树脂上吸附平衡与动力学进行研究。
The adsorption equilibrium and kinetics of sisomicin on macroporous weakly basic acid resin were studied.
调查了外秦淮河两岸垂柳上光肩星天牛羽化孔、排粪孔的分布情况。
The number of emergence holes and frass holes in weeping willows on both Banks of Qinhuai river are investigated.
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