明显的解决方案是，只要滑块的最大值被更新，就在水平滑块上简单地设置刻度间隔，如清单3所示。
The obvious solution would be simply to set the tick spacing on the horizontal slider whenever its maximum value is updated, as shown in Listing 3.
不同的机器往往由有限的几种常用机构组成，如内燃机、压缩机和冲床等的主体机构都是曲柄滑块机构。
Different machines are usually composed of several limited common structures, for example, the main structures of gas engine, compressor and punch etc are crank-slider structures.
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