The circulatory system can be thought of as two circuits in one.

循环系统可以看作是一个两个回路。

The key to making this a useful piece of memory is to combine our two circuits into what is called the AND-OR Latch.

使它成为有用内存的关键是将我们的两个电路组合成所谓的与或锁存器。

The heart pumps blood through two circuits. The right side of the heart pumps blood to the lungs to be oxygenated through the pulmonary circuit.

肺血管包括肺动脉及其分支以及毛细血管汇集而成的静脉（肺静脉及其属支）。

Soon after the Pupin coil was introduced, it was discovered that, by crossing the wires of two circuits at regular intervals, another unexplainable circuit was induced.

普平线圈推出后不久，人们发现，将两个电路的导线每隔一定时间交叉，就会感应出另一个无法解释的电路。

What we have here is we have two circuit boards, both of them are powered by batteries in the Pelican Cases and they both emit a current of about 20 milliamps.

我们这里有两个电路板，它们都是由电池供电的，它们都发出大约 20 毫安的电流。

Just as it is easier for us to think of Mr.Smith's factory as two factories in one, it is easier for us to think of the circulatory system as two circuits in one.

正如我们更容易将Mr。Smith的工厂视为两个工厂合二为一一样，我们也更容易将循环系统视为两个回路合二为一。