管子码放不宜超过几米?
This advertisement is a___(type)example of their marketing strategy.
在数字信号脉冲编码方案中,全宽码又称为不归零码,包括___和双极性不归零码两种。
时分多路复用可分为同步时分多路复用和异步时分多路复用,若时隙与用户(或各路信号)之间没有固定的对应关系,必须在用户数据中加上用户的标识,以标记是哪个用户的数据,则称为()。
Just a few years ago,Tanya was___(home)and begging for money in front of a supermarket in New York City.
The_ (month) salary for the position will be negotiable at around $2,000.
The twins are so alike that its almost___ (possible)to tell them apart.
现场的临时照明线路应相对固定,并经常检查、维修。照明灯具的悬挂高度应不低于 (2.5)m ,并不得任意挪动 ; 低于 2.5m 时应设 ( ) 。
风力几级以上时应停止露天的起重、打桩、高处作业?
There is an increasing_ (tend) for women to have children later in life