求翻译：职业指导作为一项重要的社会活动，它最初是应西方国家经济发展、职业分化以及解决失业问题等的需要而产生于欧美国家。早在1902年，德国就出现了职业指导活动。1908年帕森斯（F.parsons）在波士顿设立职业局则是将职业指导发展为具有组织形态的专业性工作的一个标志。第一次世界大战后，职业指导迅速由美国遍及欧美及日本等许多国家并在学校普遍开展。在当时，面对资本主义劳动力市场的巨大变化，各类学校必须想方设法使自己的毕业生适合劳动力市场的需要才能使学校生存和发展下去。而对学生进行就业指导，恰恰是学校适应劳动力市场的最好方式。所以，学校的职业指导工作发展迅速，并日趋科学化、制度化。我国的学校职业指导最早始于1916年清华学校对学生进行就业指导，在社会职业指导方面最得力的则是成立于1917年的中华职业社，这二者为当时中国的职业指导从无到有的转变作出了很大的贡献[1]。“新中国成立以后，由于国家对劳动力就业采取包下来的办法，所以职业指导一度被单纯的思想教育所取代。改革开放后，我国的职业指导有所恢复和发展。我国职业指导的实施系统，在国家的统一规划下，由三大系统实施职业指导，分别是：是什么意思？

As an important social activities of vocational guidance, which is initially should be economic development in Western countries, occupational differentiation arises and the need to solve the unemployment problem in Europe. As early as 1902 Germany appeared vocational guidance activities. In 1908, Parsons (F.parsons) is set up in the Boston Bureau of occupational vocational guidance development for professional work with the Organization of a flag. After the first world war, rapid vocational guidance by the United States, Europe and Japan and many other countries and schools generally. At the time, facing the capitalist great changes in the labour market, graduates of schools of all types must find ways to make yourself suited to labour market needs in order to enable schools to survive and develop. On employment guidance for students, it is the best way to adapt to the labour market the school. Therefore, the rapid development of the vocational guidance in schools, and an increasingly scientific and systematic. Vocational guidance in schools in China began in 1916, the earliest school of Tsinghua University students employment guidance, of the most effective in terms of socio-vocational guidance is a Chinese Professional Club founded in 1917, this change of career guidance from scratch for China at that time the two have made great contributions [1]. "After the founding of new China, because the package approach to the country on employment, so was replaced by a purely ideological education of vocational guidance. After the reform and opening up, China's recovery and development of vocational guidance. Implementation of vocational guidance system in China, under the unified planning of the country, implemented by the three systems of vocational guidance, are: