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1·Internet addiction is a kind of behavioral addiction , which is similar too ther addiction on characters, such as salience, withdrawal symptom, tolerance and relapse et al.

网络成瘾是一种非物质依赖的行为成瘾，具有一些与其他成瘾行为类似的特征，如突显性、退瘾性、忍耐性和复发性等。

2·Results: in the naloxone-precipitated tests, after injecting sinomenine for 10 days continuously, the mice and rats didn't show any withdrawal symptom and the loss of body weight.

结果：在催促戒断试验中，受试的大、小鼠连续注射青藤碱10天后经纳洛酮催促，均未出现戒断症状及体重下降现象。

3·You think swelling is a symptom of withdrawal?

你觉得水肿是停药后的反应?。