China is opening a new front in its pressure campaign against Taiwan, sending ships to its east to drive home a political point: Beijing claims not only the island itself but also the seas around it. 中国正在开辟施压台湾行动的新战线，向台湾以东海域派遣舰船，以此强调一个政治立场：北京不仅对该岛本身，也对其周边海域宣称拥有主权。…