Which components are designed to be conveniently replaced by a service technician？（）
A: SMDs（surface mounted devices）
B: FRUs（field replacement units）
C: FESs
D: BEMs
A: SMDs（surface mounted devices）
B: FRUs（field replacement units）
C: FESs
D: BEMs
B
举一反三
- The brochure details all the hotels in the area and their __________. A: approaches B: units C: replacement D: facilities
- 智慧职教: Components must be replaced when ______.
- On the ideal conductor surface, the relationship between the electric field lines and the conductor surface is A: the electric field lines is always pertendicular to the conductor surface. B: the electric field lines is always parallel to the conductor surface. C: there is no electri field lines exsited. D: unable to determine the relationship.
- There is no magnetic field in an ideal conductor, but there is a magnetic field inside because of the surface current。
- There is no magnetic field in an ideal conductor, but there is a magnetic field inside because of the surface current。 A: 正确 B: 错误
内容
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Field Grocery wants to learn the strengths and weaknesses in customer service at all the Field Grocery stores. Which of the following methods can it use for this? A: group buyers B: buying agents C: mystery shoppers D: personal shoppers
- 1
Football field is also called_______. A: Land B: Surface C: Lane D: Pitch
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5.On the ideal conductor surface, the relationship between the electric field line and the conductor surface is ( ) A: Vertical B: Parallel C: is zero D: not sure
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The magnetic field is not harmful, but it may cause some medical devices to __________________.
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If there is no charge inside the Gaussian surface, the field [img=14x24]180356c02c2f797.png[/img] on the surface must be zero everywhere.