OSNR
dispersion
attenuation
power budget
amplifier spacing
four wave mixing
第1题:
The real difference between plants and animals ____ what they do, and not in what they seem to be.
A: lies in
B: lies with
C: lies down
D: lies up
第2题:
What’s the difference between deep copy and shallow copy?
(深拷贝与浅拷贝有什么区别)
第3题:
What is the main difference between the two parts of the city?.
A. The colour of the buildings.
B. The age of the buildings.
C. The colour of the roofs.
D. The length of the streets.
第4题:
what is the difference between the HSRP and VRRP?
第5题:
What is the difference between net tonnage and gross tonnage ________.
A.Net tonnage is the gross tonnage less certain deductions for machinery and other areas
B.Net tonnage is tonnage of cargo compared to tonnage of whole ship
C.Net tonnage is the net weight of the ship
D.There is no difference
第6题:
What’s the difference between an interface and abstract class?
(接口与抽象类有什么区别)
第7题:
A. OSNR
B. dispersion
C. attenuation
D. power budget
E. amplifier spacing
F. four wave mixing
第8题:
This pastge is mainly about ______ .
A.the development of body language
B.the special role humans play in nature
C.the power to convey information to others
D.the difference between humans and animals in language use
第9题:
第10题:
What does the command show | compare rollback 1 display?()