The most recent instruments include: ten channels of constant-voltage outputs of 0.1, 1. 0, and 5.0 volts with current overrange detection for output disable; and eight channels of constant-current output which can be adjusted over a range of 4-100 micro A...doi...
you get enough sleep,you'll be able to focus better on your (7) B.Eating healthy food helps your body grow strong and fight off sickness.And exercise can help you stay (8) C both physically and mentally(精神上). This sounds like a lot to do.So start small...
Sleepwalkers' eyes are open,but they don't see the same way as they do when they're awake.They usually go back to bed on their own and won't remember it in the morning. You might also have heard that sleepwalkers can get scared if you wake them up.That's true,so...
Every night before going to bed repeat one of the reasons 10 times. Decide positively that you want to quit. Try to avoid negative (消极的) thoughts about how difficult it might be. Develop strong personal reasons in addition to your health and obligations (责任) to others. For example ...
Sleepwalkers' eyes are open,but they don't see the same way they do when they're awake.They tend(倾向于) to go back to bed on their own and won't remember it in the morning. You also might have heard that sleepwalkers can get frightened(受惊的) if you wake them...