backward adv. 向后,在后,在后方;倒,逆;回向原处。 lean backwards 往后靠。 spell backwards 倒拼;误解,曲解。 backward(s) and forward(s) 忽前忽后;来回地。 go backwards 倒退,退步,堕落。 say backwards 倒说。 adj. 1.向后方的,向后的。 2.倒的;反的,相反的。 3.落后的,晚的;迟缓的,慢的;进步慢的。 4.愚钝的;畏缩的,迟疑的,怕羞的。 a backward child 智力差(落于人后)的孩子。 The country is in a backward state. 那个国家是落后的。 Summer is backward this year. 今年夏天来得晚。 be backward in (preparations, duty) (准备)迟缓;忽视(责任)。 adv. -ly ,-ness n. 落后,迟疑。
A tdrss user transponder is a terminal of the user satellite in this system , in which qpsk or sqpsk modulation and direct sequence spread spectrum ( ds - ss ) are employed in the forward / backward links Tdrss用户应答机是该系统的用户终端,其正反向链路的信号通常采用qpsk或sqpsk调制和直接序列频谱扩展。
Input - output relation is the basis of association between education and economy , forward link and backward link are the basic ways , and bi - directional association makes it special and complicated 投入产出关系是教育与经济关联的基础,前向联系和后向联系反映了教育与经济关联的基本方式,而双向关联特征使教育与经济的关联具有了特殊性和复杂性。
Introduces multi - user access , slot alignment and power control , contention resolution . presents the multi - user access method based on cdma employed in the backward link . then we give a brief compare to the m - serial , gold - serial and walsh - serial 介绍了多址接入技术,讨论了接入模式、时隙同步和功率控制、冲突解决的办法,提出了基于cdma的反向链路多用户接入技术。
Input - output relation is the basis of association between education and economy ; forward link and backward link are the fundamental ways of their association and the hi - directional association demonstrates peculiarity and complexity 投入产出关系是教育与经济关联的基础,前向联系和后向联系反映了教育与经济关联的基本方式,而双向关联特征使教育与经济的关联具有了特殊性和复杂性。