In this paper, starting from the conversion of Z parameters and Y parameters of two-port parameters, we deduce the formulas of wye-delta network transformation in sinusoidal steady-state.

从双口网络的Z参数、Y参数出发，推导了星形、三角形网络转换在正弦稳态电路中的转换公式，引出其应用条件。

youdao

The planning and research of the intercity rail network of Yangtze River Delta is arousing great attention.

长三角城际轨道交通网络的规划研究正引起越来越多人的关注。

youdao

Shanghai in Yangtze Delta alluvial plain, low-lying, the network of waterways covered with vast shoals resources.

上海位于长江口冲积平原，地势低洼，河网密布，拥有广阔的滩涂资源。

youdao

"YOU ARE ABOUT TO call overseas using RSL Communications' Delta Three Internet network, " squawks the speakerphone in Itzhak Fisher's office.

FORBES: Srpska calling

"You are about to call overseas using RSL Communications' Delta Three Internet network, " squawks the speakerphone in Itzhak Fisher's Manhattan office.

FORBES: Srpska calling

With an industry-leading global network, Delta and the Delta Connection carriers offer service to nearly 350 destinations in 65 countries on six continents.

ENGADGET: Delta expanding Gogo in-flight WiFi to select international flights beginning in 2013