全自动激光切割头高度跟踪系统，自动对焦、反应灵敏、准确。

The cutting head equips with automatic tracking system, focusing automatically, responding quickly and accurately.

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我切割黏土，看看它对切割工具有什么样的反应，我把它抛弃、撕裂、砸实。

I cut the clay, and look at its response to the cutting tool. I toss it, tear it, roll it, and pound it.

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反应产物切割、干燥。

The reaction products are then cut and dried.

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Restriction enzymes are just a kind of enzyme, enzymes are protein molecules that make a chemical reaction go faster, and the chemical reaction that restriction enzymes do is cutting DNA.

限制性内切酶是一种酶,而酶是加速化学反应的蛋白质分子,限制性内切酶加速的化学反应,是切割DNA

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