两手执刀要平稳，前后推动用力要均匀，要保持水平运动，做到手稳、力匀、路直。
Before and after his hands holding a knife to smooth, push the strength should be uniform, to keep horizontal motion, do hand, force uniform, straight road.
通过测试底刀的反作用力来计算不同参数情况下切削功率。
Though test the reacting force of base blade to calculate the cutting power in different circumstances.
回来的路上也很巧，我看见几个野菠萝，于是不顾野草和刺的划挂去摘野菠萝，因为没有带刀，所以只能左右拧，在用力的扯拉。
I happened to find several wild pineapples on my back way, so regardless stings of some weeds, I tried hard to take off the wild pineapples, no knife, I had to wrest, and then drew them.
回来的路上也很巧，我看见几个野菠萝，于是不顾野草和刺的划挂去摘野菠萝，因为没有带刀，所以只能左右拧，在用力的扯拉。
I happened to find several wild pineapples on my back way, so regardless stings of some weeds, I tried hard to take off the wild pineapples, no knife, I had to wrest, and then drew them.
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