It is necessary to restrict the export of goods due to serious disorder of export management;

出口经营秩序严重混乱，需要限制出口的；

Subacute sclerosing panencephalitis(SSPE)is a serious disorder of central nervous system caused by defective measles virus.

亚急性硬化性全脑炎 （SSPE）是由缺陷型麻疹病毒引起的严重的中枢神经系统疾病。

Subacute sclerosing panencephalitis ( SSPE ) is a serious disorder of central nervous system caused by defective measles virus.

亚急性硬化性全脑炎 ( SSPE ) 是由缺陷型麻疹病毒引起的严重的中枢神经系统疾病.