其他三种动物的区别在于它们食用的低处枝叶和高处茎杆的比例不同：斑马吃茎杆最多，角马吃叶子最多，而转角牛羚则介于两者之间。
The other three species differ in the proportion of lower leaves and higher stems that they eat: zebras eat the most stem matter, wildebeests eat the most leaves, and topi are intermediate.
斗杆是WK—10 B挖掘机的重要部件之一，其断裂故障在故障中占有相当大的比例。
The bucket rod is one of the important parts of WK-10B excavator, its fracture trouble occupies sizable proportion in the trouble.
算例表明，随着杆件初弯曲的增大，其振幅值随之成比例增大，而其动力稳定性随之降低。
The calculating sample shows that along with the increase of bars' initial bending, the value of their amplitude increases proportionally and their dynamic behavior decreases.
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