RFID卡的读取方式是()
A.CCD或光束扫描
B.电磁转换
C.无线通信
D.电擦除、写入
- · 有3位网友选择 A,占比33.33%
- · 有3位网友选择 C,占比33.33%
- · 有2位网友选择 B,占比22.22%
- · 有1位网友选择 D,占比11.11%
A.CCD或光束扫描
B.电磁转换
C.无线通信
D.电擦除、写入
B.But an international team of researchers, including Dr. Richmond from GW’s Columbian College of Arts and Sciences,have discovered that human walking upright, may have originated millions of years ago as an adaptation to carrying scarce,high- quality resources.
C.Here,35 percent of the chimpanzees activity involved some sort of bipedal movement, and once again, this behavior. appeared to be linked to a clear attempt to carry as much as possible at one time
D.XXXXXX
E.Researchers allowed the wild chimpanzees access to different combinations of two different types of nut — the oil palm nut,which is naturally widely available,and the coula nut, which is not.
F.The chimpanzees regarded the coula nuts as a more highly-prized resource and competed for them more intensely.
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