由顶向下 meaning in Chinese

todown

As a whole , there is no the single one from very downward power picture in internet
因特网作为一个整体，没有单一的由顶向下的权力图。
Deciding auxiliary relations in an up - down fashion according to simple views self - maintainability . 2
采用由顶向下的方法，确定辅助视图； 2
( 2 ) by using the " in - place " calculation and replacing the complex components , the size of the circuit was greatly reduced , these reforms also optimized the algorithm and added its possibilities for practical application
借助于高速集成电路硬件描述下语言vhdl ( 、殆ryhighspeedinte盯atedcireuithardwaredeseriptionlan罗age ) ，我们采用由顶向下( t叩一t 。