What are three Cisco Unified CallManager features? () [" programming interface to external applications"," FXS and FXO port negotiation"," AutoQos VoIP trust boundaries"," signaling and device control"," LLQ for voice and video traffic"," directory and XML service"]
将下面古文翻译成现代汉语。子曰:“君子易事而难说也:说之不以道,不说也;及其使人也,器之。小人难事而易说也;说之虽不以道,说也;及其使人也,求备焉。”。
工程监理
举例说明教育在人的发展和社会发展中具有先导性的作用。
简述尸斑的概念、分布、分期。
根据语素的特点,合成词可分两大类,例如“美化”是(),“喜欢”是()。