Which two characteristics apply to a CAS T1 interface?（） ["signaling travels in-band ","up to 24 voice channels ","up to 32 voice channels ","signaling travels in time slot 17 ","uses Q.931 signaling protocol in a common channel"]
直流发电机与直流电动机的电磁转矩的作用是（） ["都是驱动转矩","都是阻转矩","发电机是驱动转矩","电动机是驱动转矩"]
以不至于死亡的自杀行动来表达其真正的目的的是指（） ["自杀意念","自杀未遂","自杀威胁","自杀姿态","自杀念头"]
实木复合地板按质量等级分为（）。 ["优等品、一等品、合格品","特等品、优等品、一等品、合格品","优等品、一等品、合格品、次品","特等品、优等品、合格品"]
运动想象疗法
商业秘密
