Mainly uaed ad absorbent,refrigerant,dehydrochlorinating agent,organic fibre sweller and Catalyst & sedative in medical line.
简介: 用作吸收或制冷剂.氯化剂..有机纤维膨胀剂.医药上用作催化和镇静剂。
Mainly uaed ad absorbent,refrigerant,dehydrochlorinating agent,organic fibre sweller and Catalyst & sedative in medical line.
简介: 用作吸收或制冷剂.氯化剂..有机纤维膨胀剂.医药上用作催化和镇静剂。
Tuovinen and Sweller (1999) showed that exploration practice caused a much larger cognitive load and led to poorer learning than worked-examples practice.
者認探索引起大的認知負載,與演練範例相,不利。
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