In this paper, the optimization method was used to design the interface circuit, and use VHDL description to design low voltage digital delay timer.
在电路设计过程中，对后级接口电路进行了最优化设计，采用VHDL描述的方式实现了低压数字延时电路模块的设计。
The Mould Cultivation Cabinet is with digital display, high and low temperature controlled by microcomputer, mirror finish stainless steel inner with observation window, compressor delay, and timer.
本霉菌培养箱，数显、微电脑控制高低温、镜面不锈钢内胆带观察窗、压缩机延时、定时控制器。
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