PCB板为两层设 计,为了提高电路板设计得抗干扰性,还对数字地和模拟地分别进行了铺铜,并将数字地 (GNDD)和模拟地(GNDA)之间用一个0欧姆的电阻跨接,这样一方面可以保证单点接 地,还可防止数字电路中的干扰信号流入模拟地,起到抗隔离的作用。
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通常,这两个引脚应该就近连接后再接模拟地。
In general these two pins should be joined together and to the analog ground of the system.
区域模型成功地模拟了该区域当今云场的关键特性,包括观测到的云区对厄尔尼诺现象的反应。
The regional model successfully simulates key features of the region's present-day cloud fields, including the observed response of clouds to El Nino.
那些使人们与他人互动变得愉快的品质将会被尽可能相近地模拟出来,这台机器将会显得迷人、刺激和随和。
Those qualities that make interaction with other people enjoyable would be simulated as closely as possible, and the machine would appear to be charming, stimulating and easygoing.
This is visualizing the process of the conversion of mechanical energy into chemical and electrical energy very nicely.
这一模拟恰到好处地演示了,机械能到化学能和电能的转换过程。
What better mimics modern human conditions than fat, than sugar, and variety?
除了讨论脂肪,糖,和混合食物,怎样才能更好地模拟现代人的饮食情况呢
This conversion from a mechanical energy into a chemical energy can be nicely visualized when one fills a hair cell with a sensitive die that responds to the calcium ions that influx into the cell.
如果在毛细胞中注入,对钙离子敏感的物质,可以精确地模拟,这一机械能到化学能的转化过程。
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