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WordCloud类的generator方法的功能是:
A.generate(text)在text路径中生成词云
B.generate(text)生成词云的宽度为text
C.generate(text)生成词云的高度为text
D.generate(text)由text文本生成词云
参考答案和解析
D
更多 “WordCloud类的generator方法的功能是:A.generate(text)在text路径中生成词云B.generate(text)生成词云的宽度为textC.generate(text)生成词云的高度为textD.generate(text)由text文本生成词云” 相关考题
考题
In a modern three-phase A.C. synchronous brushes generator, the excitation winding is on the rotor. That means .A.The generator need not excitation.B.The winding on the rotor is for inputting excitation current.C.There are three phase windings on the rotor.D.The generator has no brushes.
考题
The frequency of an AC generator is controlled by the ___.A.rheostatB.governorC.exciterD.capacitor
考题
单选题The purpose of DC generator brushes is to ().A
neutralize armature reactionB
conduct electric current to an outside circuitC
convert DC current to AC currentD
provide excitation to a DC generator
考题
单选题A DC generator is used to supply direct current in order to maintain an AC generator field and is known as a/an ()A
rotorB
statorC
exciterD
armature
考题
单选题When securing an AC generator, you should FIRST ().A
open the generator circuit breakerB
switch the voltage regulator to “manual”C
decrease the field excitation to minimumD
reduce the load on the unit
考题
单选题The frequency of an AC generator is controlled by the ()A
rheostatB
governorC
exciterD
capacitor
考题
单选题An emergency diesel generator should automatically shut down in the event of ()A
dangerous over-speedingB
a loss of lube oil pressureC
activation of the fixed CO2 system for the emergency generator spaceD
all of the above
考题
单选题下列对HttpServlet类描述错误的是()A
HttpServlet类是针对使用Http协议的Web服务器的Servlet类B
HttpServlet类通过执行Servlet借口,能够提供Http协议的功能C
HttpServlet的子类实现了doGet()方法去响应HTTP的Get请求D
HttpServlet的子类实现了doPost()方法去响应HTTP的Post请求E
HttpServlet类通过init()方法和destory()方法管理Servlet自身的资源
考题
单选题A diesel generator has just been paralleled with an AC turbo-generator, but the load can not be properly divided.This could be caused by()A
an incorrect diesel generator governor speed droop adjustmentB
a faulty reverse power relay within the main circuit breaker assemblyC
unsynchronized isochronous load distribution adjustmentsD
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考题
单选题The initial voltage of self-excitation generator set up by()A
residual magnetismB
voltage regulatorC
electrical current for excitationD
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考题
单选题Which of the following should be the FIRST step in removing a generator from parallel operation?()A
Trip the generator off the switchboardB
Turn off all electrical equipmentC
Remove the load from the off going generatorD
Increase the cycles of the generator staying on the line
考题
单选题In a modern three-phase A-Csynchronous brushless generator, the excitation winding is on the rotorThat means ().A
The generator needs not excitationB
The winding on the rotor is for inputting excitation currentC
There are three phase windings on the rotorD
The generator has brushes
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