What physical characteristic does a retinal scan biometric device measure?视网膜扫描设备检测哪些人体物理特性？（）A、The pattern of light receptors at the back of the eye眼底光受体组织的图案B、The pattern of blood vessels at the back of the eye眼底血管的图案C、The amount of light reaching the retina视网膜受光量
What physical characteristic does a retinal scan biometric device measure?视网膜扫描设备检测哪些人体物理特性？（）
- A、The pattern of light receptors at the back of the eye眼底光受体组织的图案
- B、The pattern of blood vessels at the back of the eye眼底血管的图案
- C、The amount of light reaching the retina视网膜受光量
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An analog signal's characteristic quantity representing data may 66). at any instant, any value within a continuous(67). For example, an analog signal may follow continuously the values of another physical quantity representing data.A discrete signal is composed of(68)elements in time, each element having one or more characteristic quantities which can represent data. Examples of characteristic quantities are amplitude, waveform,(69), and position in time. A digital signal is a special case of discrete signals, in which data are represented by a(70)number of well-defined discrete values that one of its characteristic quantities may take in time.A．acquireB．collectC．assumeD．fetch
There was a very interesting remark in a book by an Englishman that I read recently（ ）what he thought was a reason for this American characteristic.A.givingB.gaveC.to giveD.given
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单选题n a virtual port channel （vPC） configuration， VRRP exhibits which characteristic？ （）A VRRP does not work with vPC due to industry standard requirementsB VRRP works with vPC in traditional active/standby modesC VRRP works with vPC in an active/active modeD VRRP work with vPC as long as vPC peer-gateway is configured to address non-standard replies to the physical MAC address
单选题What physical characteristic does a retinal scan biometric device measure?视网膜扫描设备检测哪些人体物理特性？（）AThe pattern of light receptors at the back of the eye眼底光受体组织的图案BThe pattern of blood vessels at the back of the eye眼底血管的图案CThe amount of light reaching the retina视网膜受光量
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