The radar had detected Japan 's aircraft carrier Shinano , built in the utmost secrecy .
雷达侦察到日本绝对保密之下建造的航空母舰信浓号。
They do not , however , need to worry about the Kiso in Shinano province , as relations with these neighbours are peaceful .
他们不会轻易擅自出击,不过,需要担心的是在信浓的木曾氏,虽然与这些邻国的关系是和平的。