阵线

阵线	zhèn xiàn	a front (militant group) / line of battle / alignment (towards a political party etc)
阵	zhèn	disposition of troops / wave / spate / burst / spell / short period of time / classifier for events or states of short duration
线	xiàn	variant of 线
线	xiàn	thread / string / wire / line / CL:条,股,根 / (after a number) tier (unofficial ranking of a Chinese city)