题目内容

β－环糊精与挥发油制成的固体粉末为微囊

A. 对
B. 错

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包合物是一种分子被包合在另一种分子的空穴结构内的复合物

A. 对
B. 错

The elements (bars and spaces) of these barcodes must be consistent, proportional thickness and thinness.

A. 对
B. 错

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