Determination of Water Content in Polyreaction Liquid by Near Infrared Spectroscopy

Application of Near Infrared Spectroscopy to Wood Property Analysis in China

近红外光谱技术在我国木材性质分析中的应用

The product was analyzed by fourier infrared spectroscopy ( IR).

运用傅立叶红外光谱仪（IR）对反应产物进行了分析。

Application of optical fibers in near infrared spectroscopy instrument

光纤技术在近红外光谱仪中的应用

Rapid determination of diesel physical properties by near infrared spectroscopy

近红外光谱技术快速测定柴油物理性质

Total Acid and Amino Acid Nitrogen Prediction of Chinese Sauce Using Near Infrared Spectroscopy

酱油中总酸和氨基酸态氮成分的快速检测及研究

Rapid Identification of Traditional Chinese Medicine Formula Particles by Fourier Transform Infrared Spectroscopy

中药配方颗粒红外光谱法的快速鉴别

Infrared Spectroscopy of SiO_2 Film Grown on SiC by Thermal Oxidation

SiC热氧化SiO2的红外光谱研究

Application of Pattern Recognition Techniques to Analysis of Infrared Spectroscopy of Some Natural Products

模式识别技术在几种天然产物红外光谱分析中的应用研究

Prediction of Cellulose Content in Tobacco with Near Infrared Spectroscopy

近红外光谱法预测烟草中的纤维素含量

Application of color detection by near infrared spectroscopy in color detection of printing

近红外光谱在印刷品颜色检测中的应用

Color 3D Printing Rapid Prototyping and Its Application

彩色三维打印成形技术及应用

Aerospace companies are now using 3D printing,

航空公司现在正在采用3D打印技术，

With the magic of 3D printing capability we are all manufacturers, constrained only by our imaginations.

有了3D打印机的魔力，人人都是制造商，唯一能限制我们的，就是我们的想象力。

From 3D printing to advanced genetics, what I learned in that hour with Jain was extraordinary.

从3D打印到高级遗传学，短短一个小时内，贾因就让我了解到许多令人惊奇的技术。

The Italian researcher developed his 3D printing machine at the Polytechnic University of Catalonia in Barcelona, Spain.

这位意大利研究人员在西班牙巴塞罗那的加泰罗尼亚理工大学研发出了自己的3D打印机。

There's a new frontier in 3D printing that's beginning to come into focus ： food ．

在3D打印领域,有一个新的前沿领域开始成为人们关注的焦点：食品。

And emerging technologies such as 3D printing will reduce the dependence of manufacturing on low-cost labour and bring production closer to the final consumer.

3D打印等新兴技术也将降低制造业对低成本劳动力的依赖，让产品生产可以从地理上更靠近最终消费者。

By introducing 3D printing, Amazon is letting more people see what the technology can do.

通过推出3D打印产品，亚马逊让更多人看到了这项技术的广阔用途。

Then there's additive manufacturing, 3D printing.

此外，还有积层制造，即3D打印技术。

Question 20. When did the speaker start experimenting with 3D printing?

问题20.讲话者是什么时候开始体验3D打印的？