求翻译：目前, 我国开展对外汉语教学的院校约330余所，每年接受来华学习汉语的外国留学生约4万人。各学校开展多层次、多形式的教学，逐步形成了完整的教学系列和教学网络。对外汉语教师人数近5000人。为了确保对外汉语教师队伍的基本素质，1990年颁布了《对外汉语教师资格审定办法》，开始实施对外汉语教师资格证书制度。目前已有2000多位专、兼职对外汉语教师获得证书。是什么意思？

At present, foreign language teaching institutions to carry out about 330 over the year to accept foreign students learning Chinese in China about 4 million people. Schools to carry out multi-level, multi-form teaching, and gradually form a complete series of teaching and teaching networks. Foreign

At present, our teaching of the Chinese language to foreign institutions of about 330 per year, more than acceptance of foreign students to learn the Chinese language, about 40,000 people. All schools in multi-level, multi-form of teaching, and gradually formed a complete series of Teaching and Lear

At present, our country develops the teaching Chinese as a foreign language the colleges and universities approximately 330 institutes, accepts every year comes the Chinese study Chinese the foreign student approximately 40,000 people.Various schools develop multi-level, the multi-form teaching, has

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At present, foreign language teaching institutions to carry out about 330 over the year to accept foreign students learning Chinese in China about 4 million people. Schools to carry out