47. Which of the following is not a factor which can interfere with the pulse of sound and cause a variation the depth reading?
举一反三
- Which of the following is not a single factor pulse? A: thin pulse B: slow pulse C: uneven pulse D: floating pulse
- Which of the following is not a single factor pulse? A: superficial pulse B: retarded pulse C: thin pulse D: uneven pulse
- Which of the following pulse conditions can be seen in normal people? A: feeble pulse B: forceful pulse C: slippery pulse D: uneven pulse
- Which of the following words can be used to express cause and effect？
- Which cause of the following can lead to the engine not to start on air?（）