你朋友说，那么你们打算乘新型的纳米电梯(用微纤维制成，强度比钢高出许多倍)进入60，000英里(相当于96，000公里)高度的太空遨游。

Your friend says, so you have to take the new nanotube elevator (made of microscopic fibers many times stronger than steel) 60,000 miles into space.

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微纳米和微米木纤维技术是近代高科技技术与木材工业结合的集中体现。

The combination of high tech and wood industry in latest days can be well reflected by the technology on nano - micro - meter and wood fiber.

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结论：SP - PLGA纳米微球通过持续释放活性SP，可在较长时间内促进牙周膜成纤维细胞的增殖。

Conclusion: It suggested SP-PLGA can promote the proliferation of human periodontal ligament fibroblasts through a long period of controlled release of SP.

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