环境温度传感器不应安装在()。A、基站门周围 B、空调周围 C、空气不流通的死角 D、设备

题型:单项选择题

问题:

环境温度传感器不应安装在()。

A、基站门周围

B、空调周围

C、空气不流通的死角

D、设备周围

考点:无线维护机务员中级无线维护机务员中级无线维护机务员题库
题型:单项选择题

With the development of modern science and technology, the functions of cellphones have changed greatly.  小题1:  The only difference may be that they fit in your pocket and you pay by the minute to use them. Some of the things a cellphone can do for you will be available this year:

Surf at speed

Cellphones that let you use the Web have been around for years. So, what's new? Well ,  faster third-generation (3G)  networks that let you surf at anywhere. 小题2:Possible choices are from IJG Electronics VX 8000 and Motorola V1150.Listen as you go.

小题3:  There is no doubt that it is about to change. Sony Ericsson’s new W8001 can hold around 150 songs in its 500 MB memory. And Samsung's SPH-V5400 even comes with a l. 5 GB hard drive. Mobile phones may eventually replace miniMP3 players, especially for teens. Say cheese.

Camera cellphones are not new either but most of them have limitations: around l- megapixel  (百万像素 ) .  However new technology has made 2-megapixel units more common ,and 3-megapixel units are showing up soon. Some 2-megapixel models, like Sony Ericsson's K7501, offer limited zoom and focus controls.   小题4:Portable TV.

You say you like "watching TV"? That’s what Samsung MMA700 wants to give you. The new model lets users watch popular TV programmes~ for a fee. Other choices are Nokia's 6620, Sanyo's MM740 and NEC's N940.   小题5:The above are just a handful of what you ' ll see in the coming months.  Further down the road, your mobile phone may play a host of other roles, such as mobile credit card, position locator and so on. So what is there that a cellphone can't do?

A.The NEC model lets you watch public TV - no fee.

B.Without a cellphone, you can do nothing in your daily life.

C.Nowadays, new cellphones are much cheaper than old ones.

D.Today's do-it-all mobiles have a lot in common with the computer.E. This then allows a carrier to send video, music, and games to your phone.

F. Others, like LG's recent A7110, can even capture 30 minutes of full-motion video.

G. The problem with most cellphone MP3 players is that they hold only a handful of songs.

题型:单项选择题

男性66岁患者,大脑中动脉瘤,拟行动脉瘤夹闭术。ECG无明显异常,入室时血压136/80mmHg,心率88次/分。手术中需施控制性降压。

如行控制性降压,平均动脉压不宜低于()

A.50mmHg

B.60mmHg

C.80mmHg

D.90mmHg

E.100mmHg

题型:单项选择题

油藏压力监测工作非常重要,每年压力监测工作量一般为动态监测总工作量的()。

A、50%

B、60%

C、70%

D、80%

题型:单项选择题

根据《数字移动通信(TDMA)工程施工监理规范》,在数字移动通信工程中,以下哪几项可作为监理依据()

A.国家﹑地方和行业有关工程建设的法律﹑法规

B.国家﹑地方和行业有关工程建设的技术标准﹑规范和规程等

C.经有关部门批准的工程项目文件和设计文件

D.监理单位与建设单位签定的委托监理合同

E.建设单位与承包单位签定的建设工程施工合同

F.建设单位与设备厂家签定的设备供货合同

题型:单项选择题

恒牙中发育最早的是

A.第一磨牙

B.中切牙

C.侧切牙

D.尖牙

E.第一双尖牙

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