third quadrant

Magic-T1 connection first and second quadrant of the feed waveguide, and the magic-T2 connecting the third and fourth quadrant of the feed waveguide.

魔T1连接第一、二象限的馈电波导，魔T2连接第三、四象限的馈电波导。

As to the design of the second-stage I-O stable, that the third quadrant should increase the vector of labor income and the government consumption should reserve at the second quadrant, etc are put forward.

针对二阶段投入产出表的设计，提出了第三象限应增加劳动报酬剩余行向量、政府消费保留在第二象限等新构想。

The third quadrant ( reckless and inadvertent) is the most troubling, because these developers incur debt without realizing it.

第三象限（轻率、无意）是最麻烦的，因为开发人员欠债了，但是他们并没有意识到。

The realization mechanism falls into two categories: market-guiding and government-guiding. The fuse of the third quadrant of the two categories is the advisable choice for the upgrading of circulation industry in China.

流通产业升级的实现机制分为市场主导型和政府主导型两种模式，二者的第Ⅲ象限融合则是我国流通产业升级模式的现实选择。

The theory of right angle projection was employed to study the conversion of projections in the third quadrant to the first quadrant.

应用正投影理论，研究了第三角投影向第一角的转换。