Chinese learners achieve remarkable success levels compared to their Western peers. But it’s not simply based on rote learning and passive education. The reality is more complex – and more ...
The distress signal CQD originated from the signal CQ, expressing "seeking you," or "all stations." The signal CQ was commonly used among wireless operators -- and land-based telegraphers before ...
The term is commonly used to designate mild steel. Also known as CS (commercial steel) or CQ (commercial quality). Also see deep-drawing steel, drawing steel, and extra-deep-drawing steel. If you have ...