A: iological research
B: text printing
C: medical treatment
D: airspace exploration
举一反三
- Compared with the traditional manufacturing of printing, the best thing of 3D printing is that _______. A: it can print out the personalized craft B: it is cheaper C: it is more efficient D: it is completely automatic
- Compared with the traditional manufacturing of printing, the best thing of 3D printing is that _______.</p></p>
- 3D printing technology can also be called ( ). A: Additive Manufacturing B: removal forming C: extrusion molding D: constrained forming
- 3D printing technology can also be called ( ). A: Additive Manufacturing B: Dislodge Forming C: Forced Forming D: Constrained Forming
- Intaglio printing is the (oppose )of relief printing, since (the printing) is (done )form ink that (is below )the surface of the plate.（） A: oppose B: the printing C: done D: is below
内容
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中国大学MOOC: Bi Sheng’s printing consisted of four processes: making the types, composing the text, printing and retrieving the movable types.
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What do we define 3D printing as? We define it as ___________________.
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In FDM 3D printing technology, the most critical step in the printing Completion Phase is ( ). A: polishing molded part B: taking out the molded part C: removing support D: coating the molded part
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【单选题】It can be inferred from the passage that _______. A. electricity is not used in 4D technology B. 4D printing has been applied in industry C. more potential of 4D is to be discovered
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12. What can we learn about 3D food printing from Paragraphs 3? A: It solves food shortages easily. B: It quickens the transportation of food. C: It needs no space for the storage of food. D: It uses renewable materials as sources of food.