近期本公司又引进开发公路运输半挂车等。

The Company also introduced the recent development of road transport semi-trailer , and so on.

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今年又引进一批国内外先进的生产设备和检测设备。

This year the introduction of a number of domestic and foreign advanced production equipment and testing equipment.

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2008年，他又引进建立了绿色环保炭化厂，将棉花秸杆制成碳粉。

In 2008, Li Manchang established a Green Carbonization Factory, which makes carbon powder out of cotton straw.

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And in order to label the various orbitals, as he called them, m he introduced two more quantum numbers, l and m.

为了给他所说的不同的轨道，标号，他又另外引进了两个量子数，l和。

麻省理工公开课 - 固态化学导论课程节选