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尊敬的各位专家、各位同行:大家上午好!首先,请允许我代表中国教学仪器设备行业协会和教育部教学仪器研究所,对大家百忙之中光临这次论坛表示热烈欢迎。同
Dear experts, colleagues: Good morning everyone! First of all, please allow me to represent China Teaching Instrument and Equipment Industry Association and the Ministry of Education Institute of Teaching Instruments, to express our warm welcome to everyone here. with