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老大难

"老大难"的翻译和解释

例句与用法

  • But , as a method of training ambidextrous technicians , this curriculum is of strong practice , so it ' s difficult for teachers to impress students lively and profoundly only by lectures on the working principle and concrete structures of the machines for pulping & paper - making industry . meanwhile , contents in the traditional teaching materials , which are being used , are behind the advanced technology of the machines in other countries
    然而,制浆造纸机械与设备专业是一门实践性很强的学科,历年来存在着讲课难、实践难等老大难问题,课堂上的讲解、尤其是对造纸设备的工作原理和具体结构的描述,并不能给学生留下鲜明而深刻的印象;同时,统编教材的内容严重落后于当今世界的制浆造纸机械与设备的发展水平,教学效果很不理想。
  • The big capacityimitate true soft get rid of thoroughly resolved the machine , electronics , spinning , clothing , printing , carpenter etc . manufacturing the profession can ' t use the u dish to read the plait problem of the distance document , soft get rid of to read that the slow problem of dish hases already perplexed many bosses and operates the personnel and maintains for a lot of years , it is a problem with difficult eldest brother of manufacturing industry that personnel be rated as
    大容量仿真软驱彻底解决了机械、电子、纺织、服装、印刷、木工等制造行业不能使用u盘读取编程文件的问题,软驱读盘慢的问题已经困扰了许多老板、操作人员和维修人员很多年,堪称是个制造业的老大难问题。
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