第二象限（慎重、故意）是最常见的技术债务表现。

The second quadrant (prudent and deliberate) is the most common manifestation of technical debt.

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那么象限二的时间和精力将从哪里获得呢？

Now when are you going to get the time and attention to get into quadrant two?

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介绍了利用高灵敏度四象限硅光电管作为探测器的二维小角度测量系统，详细分析了其测试原理及实验装置。

This paper introduces the dual axis small Angle measuring system, which USES quadrant si-photoelectric cell as the detector, analyzes the measuring principle, experimental equipment.

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