� ص 㣺 � �. � � ͬ � ͺ ŵ � � � ͨ � ִ � � � �, խ V � � � ĸ ߶ � Ϊ � � ͨ V � � � � 1.3 � � � � � � � � � � � ն Ƚ ϴ � � �. � � � � ״ ̬ � £� � � � Ķ � � � Ϊ � � � Σ � � � � � � � � � о Ϊ � � � � ״ � � � � � � � о � � � � � � � ȣ � � �. � � � IJ � � � Ϊ � ڰ � � � � Quan � � � � � � � � � � � � ʱ � � � � � � � � � ֱ � � ʹ ֮ � � � ֲ ۱ � � � � � � o � � � � ϣ � � �. խ � ִ � � � � � � � � � � � � � ͨ � ִ � � � � � � 50% 150% � � ʹ � � � � � � � � � � խ V � � � У � SPZ � � SPA � �.spb � � SPC � � � ͺ � � � � � � ͺ Ŵ � � Ľ � � � � � � � � � � �