After been in exposed to normal lighting, dark adaptation (night vision) returns after a recovery period of about
举一反三
- After viewing the Sun, the philosopher returns to the Cave:
- Symptoms of myasthenia gravis include: A: double vision B: difficulty swallowing, chewing, and breathing C: excessive muscle fatigue during exercise with partial recovery after rest. D: hypertension
- What did the FBI do after the recovery of the letter
- The patient ______ now ______ carefully. A: is; being looked after B: is; looking after C: being; looked after D: been; looking after
- 荧光漂白恢复术（fluorescence recovery after photobleaching, FRAP）