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FAQ

Three - state gate circuit

In addition to the general gate circuit with the "1" output state and "0" output transitions, there is a "high impedance state", in the control port under the control of the output is high resistance when the equivalent of the The output of the gate circuit is not connected to the output line and appears as an "insulated" state. Three-state gate circuit is widely used in data bus transmission, the so-called data bus transmission is a data line can transmit multiple data signals, the multiple data signals according to the provisions of the "order" transmission, so that the data line to the maximum time Utilization rate. As a result of multiple three-state gate output are connected to the data bus, so when the control instruction is not, the three-state gate output and the line are "insulated state", only the instructions to reach the three-state door to transmit data, Many of the three-state door in a moment can only have a door to transfer data. In addition to the general gate circuit with the data input, output, there is a control "enable", only the control "enable" is valid to output the signal.

Why is the door to the door bad?

Door to door in the feng shui is not good. Air flow, the owner of the cause, marriage, the body is not good. The door is relatively unreasonable to say, and the neighborhood door relative to the door, the kitchen door and the toilet door relative, the kitchen door and the bedroom door relative to the toilet door and bedroom door relative, bedroom door and bedroom door relative. Have a different argument. The door in the feng shui called the mouth, in the sea god feng shui called dynamic mouth. Is the air circulation, people move around the place, it is a dynamic information access to the place, a direct impact on the indoor field changes, different field determines the different good and bad, different doors produce different gases. The bathroom is distributed out of the turbidity, bad gas; kitchen emissions of gas, although better than the bathroom, but because in the cooking process, the smoke emitted from the human body harmful; when the door and the bedroom door relative to even worse, Door to door there are many inconveniences.

How much is the double door size?

Hole size: 1500 × 2100

Is there any good way to start a business?

It is best to find the popular project, the profit is relatively large, small competition

Some say that is 9.15 meters, some say that is 11 meters. Who is responsible for telling me how many meters!

Soccer penalty point is 11 meters from the goal. Football, the "world first movement" in the world, is the world's most influential individual sports sports. The standard football match consists of two teams each with 10 players and a goalkeeper, a total of 11 people, in the rectangular grass court against, attack. Soccer field must be rectangular, length 90-120 meters, width 45-90 meters, the goal is 2.44 meters high, 7.32 meters wide.

What does "Tang" mean? Is the unit of the door?

Door frame or window frame Window. A measure of a door (window) or door (window): a glass door.

What are the units of measurement of doors and windows?

Drawings mark CM

Stems do not have the edge of the customer sweep, Peng door now makes the meaning of Jun

Off to Du Fu Sheannan homes are spring, but see the group gulls day. Flower path has not been off the line, Peng door began to Jun Kai. Pan City is far from nothing, the bottle of wine is only old grain. Willing to drink relative to the neighbors, hedge call the rest of the cup. This is a filled with a rich life of the Chronicle of the poem, the performance of the poet's simple character and hi off the mood. Author from Note: "hi Cui Ming House phase", a brief description of the meaning of meaning.