举一反三
- By what is the direction of the ship controlled?() A: The bridge B: The steering gear C: The rudder D: A signal from the bridge
- The converts the rotation motion of the steering wheel into the straight-line motion. A: Steering knuckle B: Steering gear C: tie rod D: drag link
- If the chromatographic operating conditions are not easily controlled to be unchanged during measurement process, which of the following is the better method to determine the component content() A: normalization method B: external standard method C: internal standard method D: calibration curve method
- 智慧职教: The ( ) converts the rotation motion of the steering wheel into the straight-line motion.
- 2: Vocabulary about “hand motion”
内容
- 0
Which is wrong about the description that hand and finger movements are directly controlled and coordinated by the motor cortex? A: most hand and finger actions involve combinations of their motor circuits B: hand and finger movements cannot be separated C: individual control of hand and finger movements requires specific patterns of activation and inhibition of multiple muscles D: this may be the result of overlapping of their motor maps
- 1
Which is wrong about the description that hand and finger movements are directly controlled and coordinated by the motor cortex? A: (A) most hand and finger actions involve combinations of their motor circuits B: (B) hand and finger movements cannot be separated C: (C) individual control of hand and finger movements requires specific patterns of activation and inhibition of multiple muscles D: (D) this may be the result of overlapping of their motor maps
- 2
Which of the following motions exhibit no impulse in a cam mechanism? A: Constant acceleration motion B: Harmonic motion C: Cycloidal motion D: 3-4-5 orders polynomial motion
- 3
Which of the following motions will cause flexible impulse in a cam mechanism? A: Constant velocity motion B: Constant acceleration motion C: Harmonic motion D: Cycloidal motion
- 4
Which of the following is NOT the right form of motion?