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- convex electric scan 凸形电子扫描
- These electric engineers are working on a new type of photo electric scanner. 这些电器工程师正在努力研制一种新型的光电扫描器。
- It's quite clear that the electric car is technically feasible. 电动汽车明显在工艺技术上是可行的。
- A convex surface, body, part, or line. 凸面、凸面体、凸面部分或凸线
- Industry is a heavy user of electric power. 工业需耗费大量的电力。
- Never poke a finger or scissors into an electric socket. 千万不要把手指或剪刀插进电源插座。
- The machines are driven by electric motors. 这些机器都是由电动机驱动的。
- She buy an electric toaster this morning. 今天上午她买了一个烤面包片的电炉。
- It's a conduit enclosing insulated electric wires. 这是包电线的导管。
- A lot of electric lamps illumined the stage. 舞台由许多电灯照亮。
- I did the letter on my electric typewriter. 我是用电动打字机打这封信的。
- Just as a double convex lens enlarges, so a double concave lens reduces. 正象双凸透镜可以放大那样，双凹透镜也可以缩小。
- He bought an electric hair-drier for Mary. 他给玛丽买了一个电吹风。
- Please turn off the electric power. 请把电源关掉。
- He bought an electric hair-dryer for Mary. 他给玛丽买了一个电吹风。
- Light can be collected with the convex. 凸透镜具有聚集光线的作用。
- Magnetism produced by electric charge in motion. 电磁性由运动电荷引起的磁性
- The convex surfaces faces toward the left. 凸面朝左方。
- The electric saw whined as it cut the wood. 电锯在锯木头时嘎嘎作响。
