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下面关于Original Background Noise（初始底噪配置）描述正确的是（）
- A、当小区空闲时，把测量得到的RTWP作为底噪初始值
- B、当小区底噪动态配置开关为关闭，小区的底噪使用该值
- C、当小区底噪动态配置开关为打开时，该值只是小区底噪的初始值
- D、该值的配置需要参考P-CPICH
参考答案
更多 “下面关于Original Background Noise（初始底噪配置）描述正确的是（）A、当小区空闲时，把测量得到的RTWP作为底噪初始值B、当小区底噪动态配置开关为关闭，小区的底噪使用该值C、当小区底噪动态配置开关为打开时，该值只是小区底噪的初始值D、该值的配置需要参考P-CPICH” 相关考题
考题
下面关于Original Background Noise(初始底噪配置)描述正确的是()
A.当小区空闲时，把测量得到的RTWP作为底噪初始值B.当小区底噪动态配置开关为关闭，小区的底噪使用该值C.当小区底噪动态配置开关为打开时，该值只是小区底噪的初始值D.该值的配置需要参考P-CPICH
考题
能够设置背景图片不平铺的是()。
A.background-repeat:repeatB.background-repeat:no-repeatC.background-repeate:repeateD.background-repeate:no-repeate
考题
以下关于CSS背景样式定义的说法,不正确的是()
A.background-clip用于设定背景的显示范围B.background-origin用于设定绘制背景图像的起点C.background-size用于设定背景图像的大小D.background-repeat用于设定背景图像的透明度
考题
在中,可以设计背景居中的是()。A.background－attachment:B.background－color:C.background
在＜style＞中，可以设计背景居中的是( )。A．background-attachment:B．background-color:C．background-image:D．background-position:E．background-repeat:
考题
下面关于数组的初始化正确的是( )。 A.charstr[]={a,b,e}B.charstr[2]={a,b,e)
下面关于数组的初始化正确的是（ ）。A.charstr[]={a，b，e}B.charstr[2]={a，b，e)C.charstr[2][3]={{a，b}，{C，d}，{e，f}}D.charstr（）={a，b，C}
考题
Life gets noisier every day and very few people can free from noise of some sort or another.It doesn′t matter where you live--in the middle of a modem city,or a faraway village--the chances that you will be disturbed by jet aero planes,transistor radios,oil powered engines,etc.,are almost everywhere.We seem to be getting used to noise,too.Some people feel quite lonely without background music while they are working.
Scientific tests have shown that total silence can be very frightening experience for human beings.However,some people enjoy listening to pop music which is very loud,and this can do harm to their eardrums（耳鼓）.The noise level in some disco is far above the usual safety level for heavy industrial areas.
One recent report about noise and concentration（专心）suggested that although a lot of people say that any noise disturbs their concentration,what really affects their ability to concentrate is a change in the level of noise.It goes on to say that a background noise,which doesn′t change too much（music,for example）may even help people to concentrate.
"Background music"in the passage meansA.music played in the concert
B.a kind of noise coming into your ears
C.music which helps people to concentrate
D.music played while people are working
考题
Life gets noisier every day and very few people can free from noise of some sort or another.It doesn′t matter where you live--in the middle of a modem city,or a faraway village--the chances that you will be disturbed by jet aero planes,transistor radios,oil powered engines,etc.,are almost everywhere.We seem to be getting used to noise,too.Some people feel quite lonely without background music while they are working.
Scientific tests have shown that total silence can be very frightening experience for human beings.However,some people enjoy listening to pop music which is very loud,and this can do harm to their eardrums（耳鼓）.The noise level in some disco is far above the usual safety level for heavy industrial areas.
One recent report about noise and concentration（专心）suggested that although a lot of people say that any noise disturbs their concentration,what really affects their ability to concentrate is a change in the level of noise.It goes on to say that a background noise,which doesn′t change too much（music,for example）may even help people to concentrate.
From this passage,the pollution of noiseA.doesn't matter much
B.has become worse everywhere
C.has become better in big cities
D.has become better in villages
考题
Life gets noisier every day and very few people can free from noise of some sort or another.It doesn′t matter where you live--in the middle of a modem city,or a faraway village--the chances that you will be disturbed by jet aero planes,transistor radios,oil powered engines,etc.,are almost everywhere.We seem to be getting used to noise,too.Some people feel quite lonely without background music while they are working.
Scientific tests have shown that total silence can be very frightening experience for human beings.However,some people enjoy listening to pop music which is very loud,and this can do harm to their eardrums（耳鼓）.The noise level in some disco is far above the usual safety level for heavy industrial areas.
One recent report about noise and concentration（专心）suggested that although a lot of people say that any noise disturbs their concentration,what really affects their ability to concentrate is a change in the level of noise.It goes on to say that a background noise,which doesn′t change too much（music,for example）may even help people to concentrate.
Scientists have discovered that what prevents people from concentrating isA.any kind of noise
B.great changes in level of noise
C.background,noise
D.various background music
考题
用来设置背景图片的CSS基本标记是（）。A、background-colorB、background-imageC、background-repeatD、background-position
考题
下面哪个CSS属性是用来更改背景图片的（）。A、background-colorB、background-imageC、background-repeatD、background-scroll
考题
在Enterprise仿真参数设置中，下面属于对于移动终端属性设置的有（）A、Body LossB、Noise FigureC、Power step sizeD、Noise Rise Limit
考题
In the OSNR model for EDFA amplifiers, SNR OUT = 1/(1/SNR IN + FhvB/P IN ), what does SNR IN represent?（）A、the signal to noise of the current optical amplifierB、the signal to noise of the previous amplifier or sourceC、the signal to noise introduced by the optical multiplexerD、the accumulated noise to signal ratio of the optical channel
考题
以下语法格式正确的是（）。A、input：disabled{background：red；}B、input：enable{background：green；}C、input：checked{background：green；}D、input：selected{background：red；}
考题
下列哪一项是css添加背景图片的正确语法构成（）A、background-positionB、background-colorC、background-imageD、background-size
考题
关于PLC初始化程序，下面描述错误的是（）。A、初始化程序是指在PLC运行的第一扫描周期运行的程序B、初始化程序包括数据初始化与设定初始化C、初始化程序包含PLC上电的自身初始化功能D、初始化程序是用户程序的—部分
考题
下列css属性中，用于指定背景图片的是（）。A、background-imageB、background-colorC、background-positionD、background-repeat
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在CSSsprites图片整合技术中，实现背景定位的是（）。A、background-positionB、background-imageC、background-urlD、position
考题
css中背景属性可以简写为background：；下列选项属于背景子属性的是（）。A、背景色----background-colorB、背景图片----background-imageC、背景重复----background-repeatD、背景图片尺寸----background-size
考题
下列的HTML中哪个可以插入背景图像（）A、body background="background.gif"B、background img="background.gif"C、img src="background.gif" background
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Which signal and noise values will result in the best phone communication with an access point？（）A、 Signal strength 0dBm， noise level 6dBmB、 Signal strength 8dBm， noise level 9dBmC、 Signal strength 4 dBm， noise level 4 dBmD、 Signal strength 6dBm， noise level 5 dBm
考题
Which signal and noise values will result in the best phone communication with an access point?（）A、signal strength 46dBm, noise level 95dBmB、signal strength 74dBm, noise level 94dBmC、signal strength 68dBm, noise level 79dBmD、signal strength 50dBm, noise level 56dBm
考题
单选题In the OSNR model for EDFA amplifiers， SNR OUT = 1/（1/SNR IN + FhvB/P IN ）， what does SNR IN represent？（）A
the signal to noise of the current optical amplifierB
the signal to noise of the previous amplifier or sourceC
the signal to noise introduced by the optical multiplexerD
the accumulated noise to signal ratio of the optical channel
考题
单选题In the OSNR model for EDFA amplifiers, SNR OUT = 1/(1/SNR IN + FhvB/P IN ), what does SNR IN represent?（）A
the signal to noise of the current optical amplifierB
the signal to noise of the previous amplifier or sourceC
the signal to noise introduced by the optical multiplexerD
the accumulated noise to signal ratio of the optical channel
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