WEICON Pen- System 笔状瞬间粘合剂
pen system 笔式系统
light pen system 光笔系统
fountain pen with self-filling system 自动吸水结构钢笔
light pen control system 光笔控制系统
Dip-pen nanolithography system 沾笔奈米制造系统
Pen tablets system 数位板系统
Instead, to demonstrate the "red effect" I should have used an image of an elderly man solving a system of differential equations using a red pen.
相反，为了证明“红色效应”，我应该使用一张一个老男人用红笔求解微分方程系统的图像。
StudyDroid doesn't do away with this time-tested system, but rids you of the need for pen and paper.
StudyDroid还没有经受时间的考验，但是却可以把你的从笔和纸的世界中摆脱出来。
The design scheme for display operating, the application of memory technology, the design ideas for CRT drive circuit and light pen input system have been given.
给出了系统设计方案，其存储器技术的应用以及CRT驱动电路与光笔输入系统设计思想。
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