The elements (bars and spaces) of these barcodes must be consistent, proportional thickness and thinness.
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A human can read a barcode with their eyes.
A. 对
B. 错
With a barcode, the operator won’t have to enter the data manually.
A. 对
B. 错
When direct care is given to the patient, the caregiver or doctor records the action by scanning the barcode.
A. 对
B. 错
临床上，常见的肩关节脱位方向是
A. 向上
B. 向后
C. 向前下方
D. 向外侧
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