users who owned a DVR early on used it to watch TV far more often than those who only got a DVR recently.
那些拥有数字录像机(DVR)的老用户看电视的时间要比新用户长。
2
The angular coordinate used a DVR based on Legendre polynomials and the radial coordinates utilized a DVR based on sine basis functions.
角度部分的DVR基组选择勒让德多项式形式,而径向坐标采用正弦函数形式。
3
The research work of DVR started in 80's, 19th century, and rapid development of networking technology further boost the research and development of DVR.