This paper introduces the MSP430 SCM, vision driving of the CH452 numerical code tube and the control chip of keyboard scanning, and designs a kind of keyboard plan.

介绍了MSP430单片机、CH452数码管显示驱动和键盘扫描控制芯片，设计了一种键盘方案。

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Prior to 1955, Mullard used a purely numerical code for encoding the tube type, but then adopted the code change as listed here after that.

到1955年之前，大盾用于编码管式纯数字代码，但随后通过代码改变之后，列在这里。

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Numerical calculations for the conjugate problem of in-tube convection and tube wall conduction were conducted on the basis of the experimental measurements using the FLUENT code.

论文采用FLUENT通用软件对实验工况下的管内对流换热与固壁导热的耦合问题进行了数值模拟。

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